The Knowledge Factory - Sur le même thème https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/new-reference-map-of-radionuclide-concentrations-in-soils-of-Western-Europe.aspx DRF english version en-US https://www.cea.fr/_layouts/15/images/i2i/icon-144x144-1033.png The Knowledge Factory - Sur le même thème https://www.cea.fr/drf/english Shifting the acidity peak from winter to summer in the Arctic Ocean and the threat to its ecosystem https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/shifting-the-acidity-peak-from-winter-to-summer-in-the-arctic-ocean-and-the-threat-to-its-ecosystem.aspx A Franco-German study coordinated by the LSCE (CEA-CNRS-UVSQ) estimates that climate change could shift the peak in Arctic Ocean acidity from winter to summer, which would be disruptive to the ecosystem. Impact of climate change ; Oceanography ; Climate general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Wed, 05 Oct 2022 10:00:00 GMT Climate change could greatly diminish the effectiveness of biomass-based CO2 capture technologies https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/climate-change-could-greatly-diminish-the-effectiveness-of-biomass-based-co-capture-technologies.aspx An international collaboration involving the LSCE (CEA-CNRS-UVSQ) recommends the earliest possible deployment of these technologies on a large scale. If postponed to the latter half of this century, the available biomass production would be largely reduced by climate change, jeopardizing the goal of containing global warming to 2°C by 2100, and potentially leading to food shortages. Climate general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Thu, 08 Sep 2022 10:00:00 GMT Extreme fire events: how Australia’s forests are rising from the ashes https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/Extreme-fire-events-how-Australia’s-forests-are-rising-from-the-ashes.aspx Climate ; Environment Press release ; News Thu, 08 Sep 2022 10:00:00 GMT Plutonium isotopy as a dating tool to reconstruct the recent history of land use in South America https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/plutonium-isotopy-as-a-dating-tool-to-reconstruct-the-recent-history-of-land-use-in-south-america.aspx A French-South American consortium led by the LSCE (CEA-CNRS-UVSQ) is working to explain the chronology and spatial distribution of radionuclides deposited in South America following atmospheric nuclear testing. Their research, based on measurements of plutonium isotopes in soil and sediment samples, will enable the precise reconstruction of the evolution in land use since the 1960s. Environment ; Agronomy ; Radioactivity ; Dating ; Impact of climate change general public ; Journalists ; Researchers LSCE Scientific result ; Découvertes et avancées Mon, 11 Jul 2022 10:00:00 GMT The world’s largest CO2 emitters can now be identified by satellite https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/the-worlds-largest-emitters-can-now-be-identified-by-satellite.aspx For the first time ever, an international collaboration involving the LSCE (CEA-CNRS-UVSQ) is providing a global view of large CO2 plumes attributable to fossil fuels through satellite observations. Greenhouse effect ; Climate ; Satellites general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Tue, 19 Apr 2022 10:00:00 GMT 5,500 new RNA virus species identified in the global ocean https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/new-rna-virus-species-identified-in-the-global-ocean.aspx Using seawater samples collected during Tara Ocean expeditions and sequenced by the CEA-Jacob (Genoscope), an international team has identified 5,500 new species of RNA viruses, most of which belong to previously unknown phylogenetic branches. Metagenomics ; Oceanography ; Biodiversity general public ; Journalists ; Researchers Jacob Découvertes et avancées ; Scientific result Fri, 08 Apr 2022 10:00:00 GMT Using genomics to shed a light on climate https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/using-genomics-to-shed-a-light-on-climate.aspx Using metagenomic analysis, researchers from the CEA-Jacob/Genoscope and the LSCE (CEA-CNRS-UVSQ) have unveiled a “biogeography” of ocean plankton communities. Based on this work, they predict the evolution of their geographical distribution by 2100, with a reduction in the flux of organic carbon from surface waters to the depths. Climate ; Oceanography ; Carbon cycle ; Large-scale biology ; Metagenomics general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Tue, 05 Apr 2022 10:00:00 GMT Certain millet genotypes store more carbon in the soil than others https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/certain-millet-genotypes-store-more-carbon-in-the-soil-than-others.aspx Relying on isotopic measurements, a collaboration involving BIAM (CEA-CNRS-AMU) and the LSCE (CEA-CNRS-UVSQ) has succeeded in quantifying the amount of carbon released into the soil by the roots of millet after only a few weeks of growth. The researchers were thus able to identify millet genotypes (lines) that offer optimal carbon storage while preserving the older carbon stocks already present in the soil. Environment ; Carbon cycle ; Agronomy general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Tue, 15 Mar 2022 11:00:00 GMT The KATRIN experiment has set a new record of less than 0.8 eV for the mass of neutrinos https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/the-katrin-experiment-has-set-a-new-record-for-the-mass-of-neutrinos.aspx The Karlsruhe Tritium Neutrino Experiment (KATRIN) has just crossed a symbolic threshold. The collaboration, which includes the CEA-Irfu, has revealed a new upper limit of 0.8 eV/c2 for the mass of neutrinos. This result is of fundamental interest for both particle physics and cosmology. Particle physics ; Radioactivity ; Fundamental Research general public ; Researchers ; Journalists Irfu Découvertes et avancées ; Scientific result Tue, 15 Feb 2022 11:00:00 GMT Discovery of significant methane leaks linked to the oil and gas industry https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/discovery-of-significant-methane-leaks-linked-to-the-oil-and-gas-industry.aspx A new international study coordinated by the LSCE (CEA-CNRS-UVSQ) has revealed hundreds of very large methane leaks from oil and gas production facilities. This work draws on data collected by the European satellite Sentinel-5P. Greenhouse effect ; Impact of climate change general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Fri, 04 Feb 2022 11:00:00 GMT The effectiveness of bioenergy crops must be properly assessed https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/the-effectiveness-of-bioenergy-crops-must-be-properly-assessed.aspx According to a collaboration coordinated by the LSCE (CEA-CNRS-UVSQ), it is necessary to take into account the biophysical effects of bioenergy crops (including CO2 capture and sequestration) in order to properly assess their effectiveness in the fight against climate change. Bioenergy ; Climate ; Climatic models general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Tue, 21 Dec 2021 11:00:00 GMT A global compilation of marine and continental sediment cores dated by cesium-137 and lead-210 https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/a-global-compilation-of-marine-and-continental-sediment-cores-dated-by-cesium-and-lead.aspx The LSCE (CEA-CNRS-UVSQ) and the EDYTEM laboratory (CNRS - Université Savoie Mont Blanc - Ministère de la Culture) have established a comprehensive overview of cesium-137 fallout observed in sedimentary archives around the world. This database makes it possible to improve the dating of sedimentary cores. Environment ; Dating ; Climate general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Fri, 03 Dec 2021 11:00:00 GMT Biomass Carbon Monitor: a new tool for monitoring carbon exchanges between forests and the atmosphere around the world https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/biomass-carbon-monitor-a-new-tool-for-monitoring-carbon-exchanges-between-forests-and-the-atmosphere-around-the-world.aspx The firm Kayrros and its partners, the LSCE (CEA-CNRS-UVSQ) and INRAE, are launching the first measurement platform to monitor, on a regional scale, the capacity of forests to reduce atmospheric CO2. These open access data are based on spatial observations of biomass and capitalize on nearly 30 years of research. Carbon cycle ; Greenhouse effect ; Climate Companies ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Fri, 29 Oct 2021 10:00:00 GMT CO2 emissions have nearly returned to pre-pandemic levels https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/emissions-have-nearly-returned-to-pre-pandemic-levels.aspx Ahead of the opening of the 26th Conference of the Parties (COP 26) of the United Nations Framework Convention on Climate Change in Glasgow, Scotland, the latest estimates from Carbon Monitor – an international research initiative launched during the pandemic involving Tsinghua University (China), the LSCE (CEA-CNRS-UVSQ) and University of California, Irvine – show that global CO2 emissions at the end of September 2021 snapped back from 2020, and were only 1% lower than emissions at the same time in 2019. Carbon cycle ; Greenhouse effect ; Climate general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Wed, 27 Oct 2021 10:00:00 GMT Climate: N2O emissions from soil can be effectively reduced https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/climate--emissions-from-soil-can-be-effectively-reduced.aspx According to a Peking University study involving the LSCE (CEA-CNRS-UVSQ), there are “hot spots” of soil-based emissions of nitrous oxide (N2O), a very powerful greenhouse gas. Just by focusing on those soils that receive excessive nitrogen fertilizer deposits, it should be possible to reduce total nitrous oxide emissions from soils by nearly 20%. Climate ; Agronomy ; Climatic models general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Fri, 22 Oct 2021 10:00:00 GMT Climate change increased the likelihood of damaging frosts from the French April 2021 cold wave by about 60% https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/Climate-change-increased-the-likelihood-of-damaging-frosts-from-the-French-April-2021-cold-wave-by-about-60.aspx Climate ; Environment Press release ; News ; Focus Fri, 18 Jun 2021 10:00:00 GMT Peatlands drained for agriculture: estimating carbon emissions over the last millennium https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/Peatlands-drained-for-agriculture-estimating-carbon-emissions-over-the-last-millennium.aspx Environment ; Agronomy News ; Press release Tue, 15 Jun 2021 10:00:00 GMT Alpaga : the search for mountain snow microalgae https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/ALPALGA-the-search-for-mountain-snow-microalgae.aspx Environment ; Biodiversity ; Climate ; Impact of climate change News ; Press release ; Focus CEA;Mountain;Snow;UGA;CNRS;microalgue;inrae; Mon, 07 Jun 2021 10:00:00 GMT Optimizing the cost of greenhouse gas mitigation by adjusting CO2 equivalents https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/optimizing-the-cost-of-greenhouse-gas-mitigation-by-adjusting-co-equivalents.aspx Different greenhouse gases do not have the same levels of persistence in the atmosphere. The calculation of their CO2 equivalent emissions therefore depends on the time periods in question. According to a collaboration led by the LSCE (CEA-CNRS-UVSQ), adjusting these durations will make it possible to better identify the most economically advantageous policies for reducing warming. Greenhouse effect ; Impact of climate change ; Climate general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Mon, 31 May 2021 10:00:00 GMT Photocatalysis: imogolites facilitate charge separation https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/photocatalysis-imogolites-facilitate-charge-separation.aspx A team from the Iramis (CEA-CNRS) has shown that aluminosilicate nanotubes (imogolites) have an interesting potential for photocatalysis. These light-activated semiconductors could be functionalized to depollute water, in an environmentally friendly way. Remediation ; Green Chemistry ; Micro-nanotechnologies ; New industrial production processes general public ; Journalists ; Researchers Iramis Découvertes et avancées ; Scientific result Thu, 06 May 2021 10:00:00 GMT The Brazilian Amazon rainforest has been losing its carbon stock over the past decade https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/the-brazilian-amazon-rainforest-has-been-losing-its-carbon-stock-over-the-past-decade.aspx According to a study involving scientists from the University of Oklahoma (USA), INRAE and the LSCE (CEA-CNRS-UVSQ), the Brazilian Amazon rainforest has released more carbon than it has absorbed over the last ten years. The cause: the degradation of the forest due to human activities and climate change. Carbon cycle ; Impact of climate change ; Climate ; Satellites general public ; Journalists ; Researchers LSCE Découvertes et avancées ; Scientific result Fri, 30 Apr 2021 10:00:00 GMT The wax bust of Flora is not by Leonardo da Vinci https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/the-wax-bust-of-flora-is-not-by-leonardo-da-vinci.aspx Researchers from the LSCE/LMC14 (CEA-CNRS-UVSQ) and the Institut de recherche de Chimie Paris (CNRS-Chimie ParisTech-C2RMF) have settled a long-standing controversy: The wax bust of Flora kept in the Bode Museum in Berlin is later than the Renaissance. To achieve this, they conducted a rigorous investigation, combining chemical analyses and carbon-14 measurements, and succeeded in meeting the challenge of dating an extract of marine animal, spermaceti. Dating ; Tools & research instruments ; Art ; History general public ; Journalists ; Researchers LSCE Scientific result ; Découvertes et avancées Thu, 15 Apr 2021 10:00:00 GMT Green chemistry and biofuel: the mechanism of a key photoenzyme decrypted https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/Green-chemistry-and-biofuel-the-mechanism-of-a-key-photoenzyme-decrypted-.aspx Green Chemistry ; Chemistry ; 3rd generation biofuel ; Microalgae ; Synchrotron ; Laser ; Molecular mechanisms ; Bioenergy Press release Fri, 09 Apr 2021 10:00:00 GMT What are the contributions of different countries to climate change? https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/what-are-the-contributions-of-different-countries-to-climate-change.aspx An international collaboration of climate researchers including the LSCE (CEA-CNRS-UVSQ) is using a model of the Earth System to determine the different regional contributions to global warming, as well as the individual factors that modify and amplify it, such as CO2 emissions, or, on the opposite, by temporarily attenuating it, such as aerosols. This model represents a valuable tool for implementing a responsible climate policy. Climate ; Climatic models general public ; Journalists ; Researchers Découvertes et avancées ; Scientific result Tue, 06 Apr 2021 10:00:00 GMT Arctic: Where do wet air masses come from in winter? https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/arctic--where-do-wet-air-masses-come-from-in-winter.aspx Thanks to the first full-length record of the isotopic composition of water vapor from Svalbard (Norway), climatologists at LSCE (CEA-CNRS-UVSQ) documented the origin of winter air masses during peak moisture events. Climate ; Laser general public ; Journalists ; Researchers LSCE Scientific result Thu, 18 Mar 2021 11:00:00 GMT Chlordecone : When the herbicide releases the pesticide from the West Indian soil https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/chlordecone--when-the-herbicide-releases-the-pesticide-from-the-west-indian-soil.aspx According to a collaboration involving the LSCE (CEA-CNRS-UVSQ), chlordecone has reappeared massively in the French West Indies since the end of the 1990s - when the use of glyphosate was introduced - years after it was banned. Environment ; Agronomy ; Oceanography general public ; Journalists ; Researchers LSCE Scientific result Mon, 15 Feb 2021 11:00:00 GMT Mapping radioactive fallout from atmospheric nuclear tests to study soils in South America https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/mapping-radioactive-fallout-from-atmospheric-nuclear-tests-to-study-soils-in-south-america.aspx A collaboration between the LSCE (CEA-CNRS-UVSQ), the INRAE and Brazilian and Uruguayan universities established a first map of radioactive cesium deposits, following the nuclear tests of the 1960s. This map is a reference for sciences, which will allow the of soil erosion and redistribution in South America. Environment ; Agronomy ; Climate general public ; Journalists ; Researchers LSCE Scientific result Fri, 12 Feb 2021 11:00:00 GMT Accelerating green chemistry using artificial enzymes https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/accelerating-green-chemistry-using-artificial-enzymes.aspx Researchers at the CEA-Irig have introduced a new catalysis tool for green chemistry, by creating crystalline artificial enzymes whose solid form increases stability and allows more reaction cycles under harsher conditions. Green Chemistry ; Bacteria general public ; Journalists ; Researchers IRIG Découvertes et avancées ; Scientific result Tue, 09 Feb 2021 11:00:00 GMT When artificial enzymes accelerate green chemistry https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/When-artificial-enzymes-accelerate-green-chemistry.aspx Researchers at CEA- Irig have offered a new catalysis tool to green chemistry by creating artificial crystalline enzymes whose solid form increases stability and allows more cycles of reactions under harder conditions of use. Green Chemistry ; Bacteria Companies ; general public ; Institutions ; Journalists ; Researchers IRIG News ; Scientific result Tue, 09 Feb 2021 11:00:00 GMT Paleoclimatic simulations PMIP4: First analyses https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/paleoclimatic-simulations-pmip--first-analyses.aspx The PMIP (Paleoclimate Modelling Intercomparison Project) collaboration publishes the first results of its 4th "phase", for the study of the climates of the Middle Holocene (6,000 years ago) and the last interglacial (127,000 years ago). These periods are characterized by a greater than average seasonality in the northern hemisphere, which increases the amplitude of the seasonal cycle of boreal temperatures and strengthens the monsoons in the north. Paleoclimates ; Climatic models ; Climate general public ; Journalists ; Researchers LSCE Scientific result ; International Mon, 08 Feb 2021 11:00:00 GMT KATRIN restricts further the existence of sterile neutrinos https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/katrin-restricts-further-the-existence-of-sterile-neutrinos.aspx The data collected in 2019 by the KATRIN collaboration, in which CEA-Irfu participates, had made it possible to constrain the mass of neutrinos in an unprecedented way, leading to the world best upper limit for direct measurements. Another analysis of these same data reveals that they do not contain the signature of a hypothetical sterile neutrino. The experiment will continue, with increasing sensitivity, until 2024. Particle physics ; Radioactivity ; Tools & research instruments general public ; Journalists ; Researchers Irfu Scientific result Thu, 28 Jan 2021 11:00:00 GMT Geochemistry reveals ancient trade in cotton between Arabia and India https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/geochemistry-reveals-ancient-trade-in-cotton-between-arabia-and-india.aspx According to a study carried out by scientists from the LSCE (CEA-CNRS-UVSQ), CNRS and the Muséum national d’histoire naturelle, an isotopic analysis of strontium reveals the Indian origin of archaeological cottons dating from the 2nd-3rd centuries, in southeastern Arabia. Characterisation ; Chemistry ; Environment ; Science & society general public ; Journalists ; Researchers LSCE Scientific result Wed, 27 Jan 2021 11:00:00 GMT North-South Prize of the Council of Europe: the “Mediterranean IPCC” sounds the alarm! https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/north-south-prize-of-the-council-of-europe-the-mediterranean-ipcc-sounds-the-alarm.aspx Created in 2015, the independent network MedECC (Mediterranean Experts on Climate and Environmental Change) has published its first evaluation report, MAR1 (Mediterranean Assessment Report), accompanied by a summary for policy-makers. This publication earned the group the Council of Europe’s North-South 2020 Prize. Read on for a close-up on ‘Ecosystems’, a chapter from the report that features an LSCE researcher as “lead author”. Climate ; Impact of climate change ; Environment general public ; Journalists ; Researchers LSCE Prizes and awards ; Scientific result ; Europe Wed, 13 Jan 2021 11:00:00 GMT Ocean circulation would have contributed to the first colonization of North America https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/ocean-circulation-would-have-contributed-to-the-first-colonization-of-north-america.aspx According to an international study involving researchers from the LSCE (CEA-CNRS-UVSQ), a significant change in ocean currents in the North Pacific would have favored the first human migration from Asia to North America, at the end of the last ice age. Paleoclimates ; Climatic models ; Oceanography general public ; Journalists ; Researchers LSCE Scientific result Thu, 10 Dec 2020 11:00:00 GMT The Notre-Dame fire: how has it contributed to lead pollution in the Parisian environment? https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/the-notre-dame-fire-how-has-it-contributed-to-lead-pollution-in-the-parisian-environment.aspx The Métal du Chantier Notre-Dame group, which includes researchers from the LSCE (CEA-CNRS-UVSQ), has been using the isotopic signatures of lead to reveal that the Notre-Dame fire released this metal into the atmosphere. This event caused, on the very day, a sudden peak in pollution reaching up to one hundred times the normal value. Environment general public ; Journalists ; Researchers LSCE Scientific result Wed, 25 Nov 2020 11:00:00 GMT Modeling the city: an equation that settles a century-old controversy https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/modeling-the-city-an-equation-that-settles-a-century-old-controversy.aspx Researchers at the IPhT have proposed a new equation describing the evolution of the population of cities that for the first time embraces the observations of economists, geographers and historians. Theoretical physics ; Environment Researchers ; general public ; Journalists IPhT Scientific result Wed, 18 Nov 2020 11:00:00 GMT Nature-inspired solutions to sustainably increase crop yield https://www.cea.fr/drf/english/Pages/News/Institutional-news/2020/nature-inspired-solutions-to-sustainably-increase-crop-yield.aspx The recently launched EU-funded project GAIN4CROPS aims to improve photosynthetic efficiency of the oil crop sunflower using nature-inspired solutions and innovative breeding techniques. The 5-year 8M € project, funded under the EU Horizon 2020 Framework Programme, will pave the way for the introduction of strategic crops which might decrease the use of major resources in agriculture: land, nitrogen, and water. Agronomy ; Environment general public ; Researchers ; Journalists IRIG Europe Thu, 05 Nov 2020 11:00:00 GMT SCARCE: 18 months of collaboration between a university in Singapore and CEA https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/scarce--months-of-collaboration-between-a-university-in-sSingapore-and-cea.aspx Inaugurated in March 2019, the joint laboratory between Nanyang Technological University (NTU) of Singapore and CEA displays its first series of publications co-signed by researchers from NTU, CEA-Iramis, ICSM and DES in Marcoule. Environment ; Energies ; New industrial production processes ; Electronics ; Materials general public ; Journalists ; Researchers DRF Scientific result ; International Mon, 28 Sep 2020 10:00:00 GMT Polar ice caps: how high will the sea level rise? https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/polar-ice-caps-how-high-will-the-sea-level-rise.aspx Publication of a large set of interdisciplinary simulations to which researchers from LSCE (CEA-CNRS-UVSQ) have contributed offers an opportunity to assess the future impact of the melting of the polar ice caps. What are the trends and uncertainties? Impact of climate change ; Climatic models general public ; Journalists ; Researchers LSCE Scientific result ; International Fri, 18 Sep 2020 10:00:00 GMT The low value of climate sensitivity is revised upwards https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/the-low-value-of-climate-sensitivity-is-revised-upwards-.aspx According to an international collaboration involving the LSCE (CEA-CNRS-UVSQ), the doubling of atmospheric CO2 content compared to the pre-industrial era would “probably” warm the earth between 2.6°C to 3.9°C. This assessment – the best to date – is based on three independent data sources that do not use climate models. Climatic models ; Climate ; Impact of climate change general public ; Journalists ; Researchers LSCE Scientific result ; International Thu, 30 Jul 2020 10:00:00 GMT New reference map of radionuclide concentrations in soils of Western Europe https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/new-reference-map-of-radionuclide-concentrations-in-soils-of-Western-Europe.aspx An international consortium of scientists, including the Laboratoire des Sciences du Climat et de l'Environnement (LSCE - CEA/CNRS/UVSQ, Institut Pierre Simon Laplace, Université Paris-Saclay), used a new method to refine the map of caesium and plutonium radionuclide concentrations in soils in France and several neighbouring countries. Environment ; Radioactivity general public ; Journalists ; Researchers LSCE Scientific result Thu, 16 Jul 2020 10:00:00 GMT Methanol synthesis as part of the circular economy of carbon and silicon https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/Methanol-synthesis-as-part-of-the-circular-economy-of-carbon-and-silicon.aspx Chemists at Iramis have proposed a new pathway for the catalytic synthesis of methanol from a formic acid derivative – a waste product of the silicon industry – whose by-products can be recycled. This is a high-yield, sustainable and environmentally friendly process that can be used for energy storage and fine chemistry! Chemistry ; Recovery of CO2 ; Innovation for industry general public ; Journalists ; Researchers Iramis Scientific result Wed, 15 Jul 2020 10:00:00 GMT Medieval wall paintings dated using carbon-14 https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/medieval-wall-paintings-dated-using-carbon-.aspx For the first time, wall paintings from the Late Middle Ages in a castle in Burgundy and a church in Switzerland have undergone absolute dating, by measuring the carbon-14 contained in a pigment widely used in the paint, namely lead white. Dating ; Radioactivity ; Particle accelerator general public ; Journalists ; Researchers DRF Scientific result Tue, 16 Jun 2020 10:00:00 GMT Reducing cultivated land area by half in the interest of climate and biodiversity https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/reducing-cultivated-land-area-by-half-in-the-interest-of-climate-and-biodiversity.aspx An international collaboration involving the LSCE (CEA-CNRS-UVSQ) is proposing an agronomic scenario that is beneficial for the climate and biodiversity: cultivated areas reduced by half, without changing the input volumes, could be as productive as they are today if our practices are revised on a global scale. Agronomy ; Environment ; Climate ; Biodiversity general public ; Journalists ; Researchers LSCE Scientific result Tue, 05 May 2020 10:00:00 GMT Reducing mosquito populations https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/Reducing-mosquito-populations.aspx Researchers at the CEA-Irig have elucidated the activation cascade of one of the four Bacillus thuringiensis toxins that specifically target mosquito larvae, in order to prevent them from becoming vectors of devastating diseases. Bacteria ; Environment ; Health & life sciences Companies ; general public ; Institutions ; Journalists ; Researchers IRIG Scientific result Tue, 07 Apr 2020 10:00:00 GMT Separation chemistry: a step toward greener metal recycling processes https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/Separation-chemistry-a-step-toward-greener-metal-recycling-processes.aspx Fundamental Research ; Environment ; Dismantling ; Chemistry ; Materials News ; Press release ; Focus Tue, 25 Feb 2020 11:00:00 GMT Detecting trace amounts of uranium in water https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/detecting-trace-amounts-of-uranium-in-water.aspx The Captot heavy metal sensor, developed by the Iramis-LSI over the last ten years, could be used to detect traces of uranium in water. This would be a simple, rapid field solution to monitor the environment, for example during the cleanup and dismantling of nuclear facilities. Chemistry ; Environment ; Remediation ; Radioactivity ; Materials ; Technologies ; Innovation for industry general public ; Journalists ; Researchers Iramis Scientific result ; Industrial partnerships Thu, 09 Jan 2020 11:00:00 GMT Fukushima: lessons learnt from an extraordinary case of soil decontamination https://www.cea.fr/drf/english/Pages/News/Scientific-results/2019/Fukushima-lessons-learnt-from-an-extraordinary-case-soil-decontamination.aspx Following the accident at the Fukushima nuclear power plant, in 2011, the Japanese authorities decided to carry out major decontamination works in the affected area. The EGU is publishing a synthesis of approximately sixty scientific publications that together provide an overview of the decontamination strategies used and their effectiveness. Environment ; Radioactivity ; Nuclear energy Companies ; general public ; Institutions ; Journalists ; Researchers LSCE Scientific result Thu, 12 Dec 2019 11:00:00 GMT What will the wind do in the coming decades? https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/What-will-the-wind-do-in-the-coming-decades.aspx According to an international study involving the LSCE, a reversal in the trend of terrestrial wind potential was observed in 2010. Its correlation with well-identified climatic mechanisms suggests the potential to optimize wind generation throughout the lifetime of facilities. Climate ; Renewable energies general public ; Journalists ; Researchers LSCE Scientific result ; International Tue, 19 Nov 2019 11:00:00 GMT The Tara Oceans mission reveals variations in plankton biodiversity and activity from the equator to the poles https://www.cea.fr/drf/english/Pages/News/Scientific-results/2019/The-Tara-Oceans-mission-reveals-variations-in-plankton-biodiversity-and-activity-from-the-equator-to-the-poles.aspx New results from the Tara Oceans expedition, led by a collaboration between the Tara Ocean Foundation and teams from the CNRS, EMBL, CEA, Sorbonne Université and Université Paris Science Lettres between 2009 and 2013 show that the diversity and functions of planktonic species in the global ocean change dramatically according to latitude. Biodiversity ; Genomics ; Environment ; Climate Companies ; general public ; Institutions ; Journalists ; Researchers Jacob Scientific result Mon, 18 Nov 2019 11:00:00 GMT Submarine symbiosis: microorganisms that never get lost https://www.cea.fr/drf/english/Pages/News/Scientific-results/2019/Submarine-symbiosis-microorganisms-that-never-get-lost--.aspx A team of CEA-Biam has uncovered a symbiotic behavior between magnetism-using bacteria and eukaryotic microorganisms. Biodiversity ; Bacteria ; Genomics Researchers ; Journalists ; general public BIAM En direct ; Scientific result Tue, 14 May 2019 10:00:00 GMT The Arctic Ocean, cradle of viral biodiversity https://www.cea.fr/drf/english/Pages/News/Scientific-results/2019/The-Arctic-Ocean,-cradle-of-viral-biodiversity.aspx Fundamental Research ; Cellular mechanisms ; Impact of climate change ; Climate ; Oceanography Press release ; Scientific result ; Focus Mon, 29 Apr 2019 10:00:00 GMT Southern CO2 versus Northern CO2: the Northern vegetation makes the difference https://www.cea.fr/drf/english/Pages/News/Scientific-results/2019/southern-co-versus-northern-co-the-northern-vegetation-makes-the-difference.aspx A team of international researchers coordinated by the LSCE has been able to retrace for the first time the evolution of the Northern Hemisphere land carbon sink over more than five decades, based on differential CO2 measurements collected since 1958 in both hemispheres. This is a precious indicator to understand how to encourage carbon sequestration in the ground and the biomass. Carbon cycle ; Climatic models ; Greenhouse effect ; Impact of climate change general public ; Journalists ; Researchers LSCE Scientific result Thu, 04 Apr 2019 10:00:00 GMT Fukushima: a French soil decontamination process experimented in Japan https://www.cea.fr/drf/english/Pages/News/Scientific-results/2018/Fukushima-a-French-soil-decontamination-process-experimented-in-Japan.aspx The CEA, Orano and Veolia tested out a radioactive soil decontamination process in Japan between 13 and 17 November 2017. Radioactivity ; Environment Companies ; Partners ; Suppliers ; general public ; Institutions ; Journalists ; Researchers ; Higher education DRF Press release ; Focus Wed, 11 Apr 2018 10:00:00 GMT VERIFYing greenhouse gas emissions monitoring https://www.cea.fr/drf/english/Pages/News/Institutional-news/2018/VERIFYing-greenhouse-gas-emissions-monitoring.aspx The European project VERIFY, coordinated by the CEA, aims to provide the European Commission with a system to monitor greenhouse gas emissions declarations submitted by each country under the United Nations Framework Convention on climate change. Environment ; Climate ; Recovery of CO2 ; Carbon cycle ; Greenhouse effect ; Impact of climate change ; Science & society ; Tools & research instruments Journalists ; Researchers ; general public ; Companies LSCE News ; Newsletter ; CEA Research News ; European & international partnerships Greenhouse;energy union and climate;H2020;Paris clilmate change agreement;IPCC;greenhouse gas emissions; Tue, 10 Apr 2018 10:00:00 GMT Cultivated plants: moving towards sustainable resistance https://www.cea.fr/drf/english/Pages/News/Scientific-results/2018/Cultivated-plants-moving-towards-sustainable-resistance.aspx Researchers from the Biam and Inra have shown how the modification of a protein in a plant leads to an effective resistance against potyviruses. Agronomy ; Vegetal physiology Researchers ; Journalists ; general public BIAM Scientific result Tue, 13 Mar 2018 11:00:00 GMT Ocean acidity: what impact will greater seasonal variations have? https://www.cea.fr/drf/english/Pages/News/Scientific-results/2018/Ocean-acidity-what-impact-will-greater-seasonal-variations-have.aspx According to an international collaboration involving the LSCE, seasonal variations in ocean acidity will be more pronounced at the end of the century than today and could even double. The seasonality of pH, until now considered favorable to the adaptation of marine organisms to global warming, could then prove to have a deleterious effect. This must now be taken into account in climate models. Impact of climate change Researchers ; general public ; Journalists LSCE Scientific result Fri, 02 Feb 2018 11:00:00 GMT New developments in plant resistance to drought https://www.cea.fr/drf/english/Pages/News/Scientific-results/2018/New-developments-in-plant-resistance-to-drought.aspx Plant stomata open or close in response to their needs, in addition to water stress or pathogen attack. A team from the Biam and its partners have demonstrated the role of the protein AQP in stomatal closure movements. Vegetal physiology ; Climate general public ; Journalists ; Researchers BIAM Scientific result Mon, 29 Jan 2018 11:00:00 GMT The first migration of the earliest modern humans out of Africa https://www.cea.fr/drf/english/Pages/News/Scientific-results/2018/The first-migration-of-the-earliest-modern-humans-out-of-Africa.aspx The African exodus of our species, Homo sapiens, has just been pushed back by at least 60,000 years in comparison to what we previously thought. This now places the date at around 177,000 - 194,000 years ago. This international study, which includes the LSCE, is based on the dating of the oldest modern human fossil found outside of Africa (Israel). Environment Researchers ; general public ; Journalists Scientific result Fri, 26 Jan 2018 11:00:00 GMT Uranium’s dual effect on plants https://www.cea.fr/drf/english/Pages/News/Scientific-results/2018/Uraniums-dual-effect-on-plants.aspx A team from the BIG Institute has just demonstrated that uranium is not necessarily toxic to plants. Vegetal physiology ; Environment general public ; Researchers ; Journalists BIG Scientific result Fri, 26 Jan 2018 11:00:00 GMT An industrial chair for the monitoring of greenhouse gas emissions https://www.cea.fr/drf/english/Pages/News/Scientific-results/2018/Launch-of-the--Trace-industrial-chair-for-the-monitoring-of-greenhouse-gas-emissions.aspx The Trace industrial chair aims to develop better monitoring methodologies of greenhouse gas emissions (carbon dioxide and methane) by satellite and with the help of new sensors deployed close to methane-emitting sites. Climate ; Energies ; Environment Institutions ; Journalists ; Researchers ; Partners ; Suppliers DRF Valorisation Press release ; Focus Thu, 18 Jan 2018 11:00:00 GMT Carbon storage in the ocean: diatoms are under surveillance! https://www.cea.fr/drf/english/Pages/News/Scientific-results/2018/Carbon-storage-in-the-ocean-diatoms-are-under-surveillance.aspx An in-depth study of microalgae with a siliceous cell wall (i.e. diatoms) emphasizes that their role in carbon sequestration in the ocean depths has been underestimated and may decline in the coming decades. This prognosis could be affected by the evolution of these species. Oceanography ; Climate Researchers ; general public ; Journalists LSCE Scientific result Mon, 15 Jan 2018 08:00:00 GMT Global Warming, a New Threat to Air Quality in Europe https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/global-warming-a-new-threat-to-air-quality-in-europe.aspx Should countries reduce their greenhouse gas emissions to meet their December 2015 pledges at COP21, global temperatures would expected to rise by about 3°C by 2050 with respect to pre-industrial climate. For the first time, an international team of LSCE researchers has studied the impact of such a scenario on the air quality in Europe in 2050. Their results show that current efforts to reduce European anthropogenic emission reductions would probably be annihilated. Environment Researchers ; general public ; Journalists LSCE Scientific result ; European & international partnerships qualité de l'air;atmosphère;ozone;air;gaz à effet de serre;précurseurs d'ozone;COP 21; Mon, 20 Nov 2017 11:00:00 GMT When the Earth was a “snowball” https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/when-the-earth-was-a-snowball.aspx An international collaboration has published a synopsis of two climatic episodes during which the Earth was covered in ice and snow. This report takes stock of more than 35 years of scientific questioning regarding the functioning of a “snowball” Earth. Paleoclimates Researchers ; general public ; Journalists LSCE Highlight Mon, 13 Nov 2017 11:00:00 GMT The 2017 Heat waves in Europe Are a Signature of Global Warming https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/the-2017-heat-waves-in-europe-are-a-signature-of-global-warming.aspx The heat waves experienced in Europe in 2017 were a result of global warming induced by human activities. Every summer, there is now a 10% chance of seeing a summer as hot as 2017, as shown by an international collaboration involving researchers from LSCE. Climate Researchers ; general public ; Journalists LSCE Scientific result Fri, 20 Oct 2017 10:00:00 GMT Deciphering the Fall Armyworm as it Invades Africa https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/deciphering-the-fall-armyworm-as-it-invades-africa.aspx In collaboration with the CEA François-Jacob Institute and INRIA, scientists from INRA have sequenced the genome of butterfly Spodoptera frugiperda. This common agricultural pest in the Americas is now moving towards the East. Genomics ; Biodiversity Journalists ; Researchers ; general public Fontenay-aux-Roses Scientific result Wed, 27 Sep 2017 10:00:00 GMT Earthworms Set the Tempo of the Last Glaciation https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/earthworms-set-the-tempo-of-the-last-glaciation.aspx Through the radiocarbon dating of calcite granules secreted by earthworms, a multidisciplinary team involving LSCE proposed the first precise chronological framework for all thawing phases in the last glacial period. Paleoclimates Researchers ; general public ; Journalists LSCE Scientific result loess;gleys;carotte glaciaire;événement de Dansgaard–Oeschger;datation au carbone 14;Paléoclimat;Ver de terre;sédiments marins;climatologie; Tue, 01 Aug 2017 10:00:00 GMT How Rural-urban Migration in China Has Mitigated Fine Particulate Matter Pollution https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/the-massive-rural-exodus-currently-occurring-in-china.aspx The massive rural exodus currently occurring in China is accompanied by a moderate decline in fine particulate matter emissions throughout the country, with the exception of megacities such as Beijing and Shanghai. Such is the counter-intuitive conclusion of an international study involving LSCE. Environment Researchers ; general public ; Journalists LSCE Scientific result pollution;mortalité;urbanisation;exode rural;particules fines;Chine; Thu, 20 Jul 2017 10:00:00 GMT Climate Change and Coral Skeletons https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/climate-change-and-coral-skeletons.aspx As early as during their larval stage, corals are affected by ocean warming and acidification. Researchers show that exposure of coral larvae, Acropora millepora, to the conditions predicted to prevail by the end of the century weakens and distorts the skeletons of polyps derived from these larvae. Over time, they will have to revise their interpretation of the chemical composition of corals in terms of surface temperature and ocean pH. Climate Researchers ; general public ; Journalists LSCE Scientific result paléoclimatologie;acidité;CO2;Acropora millepora;pH;réchaffement;Australie;récif corallien;corail;biodiversité;dioxyde de carbone; Tue, 04 Jul 2017 10:00:00 GMT How Phytoplankton Colonized the Oceans https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/how-phytoplankton-colonized-the-oceans.aspx What are the photosynthesis mechanisms in phytoplankton? Researchers from CEA-BIG, CEA-IBS and their partners have solved this enigma. Vegetal physiology ; Biodiversity Researchers ; general public ; Journalists BIG Scientific result Thu, 22 Jun 2017 10:00:00 GMT The Success of Nematodes in the Absence of Sex Partly Explained https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/the-success-of-nematodes-in-the-absence-of-sex-partly-explained.aspx Root-knot nematodes are devastating species to global agriculture; those that reproduce asexually are especially thriving. Researchers from CEA-Genoscope and their partners proposed a hypothesis to explain this extraordinary success. Genomics ; Biodiversity Researchers ; general public ; Journalists Jacob Scientific result Mon, 12 Jun 2017 10:00:00 GMT How CO2 Emissions Are Affected by the Weather https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/how-co2-emissions-are-affected-by-the-weather.aspx Climate scientists have shown that weather anomalies can exert a significant influence on a country's CO2 emissions and, to a lesser extent, on global emissions. Carbon cycle Researchers ; general public ; Journalists DRF Scientific result Fri, 26 May 2017 10:00:00 GMT Roots that Adapt to the Soil https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/roots-that-adapt-to-the-soil.aspx Why not look for phosphate where it is: in the soil? Scientists from CEA-BIAM and their partners have provided evidence for an adaptation mechanism in the root of plants. Agronomy ; Vegetal physiology Researchers ; general public ; Journalists BIAM Scientific result Thu, 18 May 2017 10:00:00 GMT A “Statistical Physics” of Extreme Weather Events https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/a-statistical-physics-of-extreme-weather-events.aspx Combining extreme value theory and chaos theory, researchers from LSCE have developed digital tools to determine the quality and rarity of a weather forecast based on atmospheric data collected since 1948. Their near-instantaneous ability to analyze atmospheric circulation could ultimately allow for better prediction of extreme weather events. Climatic models Researchers ; general public ; Journalists DRF Scientific result Tue, 16 May 2017 10:00:00 GMT Ultrasmart Materials Processed by Soft Chemistry https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/ultrasmart-materials-processed-by-soft-chemistry.aspx Chemists from ICSM have synthesized new hybrid nanostructured materials (mineral and organic), by a molecular self-assembly process in water, at room temperature. This family of materials containing polyoxometalates (POMs) can perform various functions: ion or proton conductor, electrode, photosensitive crystal, catalyst... and more. Green Chemistry Researchers ; general public ; Journalists DRF Scientific result matériau nano-structuré;matériaux;nanotechnologies;chimie douce;synthèse; Wed, 10 May 2017 10:00:00 GMT Using Carbon Oxysulfide to Spy On Photosynthesis https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/using-carbon-oxysulfide-to-spy-on-photosynthesis.aspx Present at a trace level in the atmosphere, carbon oxysulphide, just like carbon dioxide, is assimilated by plants. By analyzing the evolution of its concentration, the researchers were able to evaluate the increase in photosynthetic activity. It is thought to have increased by 30% over a century and would constitute a carbon sink equivalent to 25% of anthropogenic emissions. Taking this result into account will improve digital models describing the joint evolution of the climate and the carbon cycle. Environment general public ; Journalists ; Researchers LSCE Scientific result Fri, 07 Apr 2017 10:00:00 GMT Rice Yield Losses Expected Under Future Global Warming https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/rice-yield-losses-expected-under-future-global-warming.aspx As the staple food for more than half of the world’s population, rice is expected to drop considerably in yield in the event of significant climate change, necessitating CO2 fertilization and the genetic selection of adaptable species/ Climate ; Impact of climate change ; Simulation & modelling general public ; Journalists ; Researchers LSCE Scientific result Tue, 07 Mar 2017 11:00:00 GMT Global Warming Will Require Increased Irrigation in the US https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/global-warming-will-require-increased-irrigation-in-the-us.aspx According to agronomic and climatological models, maize and soybean yields decline as soon as the temperature exceeds 30°C. Wheat appears to be more resistant. Increased irrigation can help to avoid such loss. Climate ; Impact of climate change ; Simulation & modelling general public ; Journalists ; Researchers LSCE Scientific result Mon, 27 Feb 2017 11:00:00 GMT Where do Flowers Come From? Shedding Light on Darwin’s ‘abominable mystery’ https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/where-do-flowers-come-from-shedding-light-on-darwin-abominable-mystery.aspx The mystery that is the origin of flowering plants has been partially solved. A team from CEA-BIG and their partners have shed light on a question that much intrigued Darwin: the appearance of a structure as complex as the flower over the course of evolution. Climate ; Biodiversity general public ; Journalists ; Researchers BIG Scientific result Fri, 24 Feb 2017 11:00:00 GMT The Consequences of Global Warming on the Wheat Yield in China https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/the-consequences-of-global-warming-on-the-wheat-yield-in-china.aspx According to estimates based on experimental observations and computer simulations, wheat yields in China are expected to be altered by upcoming global warming. Climate ; Impact of climate change ; Simulation & modelling general public ; Journalists ; Researchers LSCE Scientific result Mon, 20 Feb 2017 11:00:00 GMT Isotope Analyses that Strike Gold https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/isotope-analyses-that-strike-gold.aspx A stratigraphic measurement of beryllium-10 in Montalbano Jonico, Italy, has made it possible for the first time to precisely date the boundary between two geologic sub-epochs of the Pleistocene, which is of paramount importance for Earth sciences. This site in Italy should soon be recognized as hosting a Global Stratotype Section and Point, otherwise known as a “Golden Spike”. Paleoclimates ; Environment general public ; Journalists ; Researchers LSCE Scientific result Mon, 06 Feb 2017 11:00:00 GMT Water, the Underlying Driver of the Earth’s Carbon Cycle https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/water-the-underlying-driver-of-the-earth-carbon-cycle.aspx Although the annual carbon footprint seems to be driven by temperature at the global scale, water availability appears to be the dominant factor at the local scale. A study in which LSCE researchers participated sheds new light on this paradox. Climate ; Carbon cycle general public ; Journalists ; Researchers LSCE Scientific result Tue, 17 Jan 2017 11:00:00 GMT Methane Emissions: On the Rise Since 2007 https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/methane-emissions-on-the-rise-since-2007.aspx An international team led by the LSCE has published a complete assessment of methane sources and sinks. After a period of stabilization in the early 2000s, since 2007 a new increase in methane concentrations has been observed by international measurement networks, with a sharp acceleration since 2014. Environment ; Climate general public ; Researchers ; Journalists LSCE Scientific result Fri, 06 Jan 2017 11:00:00 GMT The Oldest Ice on Earth https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/the-oldest-ice-on-earth.aspx An international consortium has set out to find the oldest ice on Earth, in Antarctica, using a revolutionary probe developed by French teams, with early participation by LSCE: Subglacior. The probe makes it possible to date ice in real time without coring. Environment ; Climate general public ; Researchers ; Journalists LSCE Scientific result Tue, 03 Jan 2017 11:00:00 GMT A new giant virus discovered in the Siberian permafrost https://www.cea.fr/drf/english/Pages/News/Scientific-results/2015/new-giant-virus-discovered-Siberian-permafrost.aspx A giant virus from a completely new genus was discovered in a Siberian permafrost sample dating back 30,000 years. Genomics, transcriptomics, proteomics and metagenomics draw a detailed portrait of this new virus, known as Mollivirus sibericum. Biodiversity ; Genomics Fontenay-aux-Roses Scientific result Mon, 07 Sep 2015 10:00:00 GMT Accelerating the evaluation of drug candidates https://www.cea.fr/drf/english/Pages/News/Scientific-results/2015/Accelerating-evaluation-drug-candidates.aspx A team from the CEA-IBITECS has participated in the development of a new isotope labeling process to accelerate in vivo studies of drug candidates. The original and unprecedented mechanism of this process was elucidated by computer modeling. Green Chemistry ; Biomarkers IBITECS Scientific result Mon, 17 Aug 2015 10:00:00 GMT First mitochondrial genome of an extinct bison species https://www.cea.fr/drf/english/Pages/News/Scientific-results/2015/First-mitochondrial-genome-extinct-bison-species.aspx ​A team from the CEA-IBITECS located at the Musée de l'Homme has just determined the complete mitochondrial genome of a steppe bison specimen from a bone fragment dating back 19,000 years, found in the Trois-Frères cave (Ariège). Genomics ; Biodiversity Saclay Scientific result Wed, 17 Jun 2015 10:00:00 GMT Tara Oceans: 40 million new genes decoded https://www.cea.fr/drf/english/Pages/News/Scientific-results/2015/Tara-Oceans-40-million-new-genes-decoded.aspx A special issue of the journal Science features the first results from the Tara Oceans expedition with five publications, in which the CEA-IG participated. Genomics ; Biodiversity GENOSCOPE Scientific result Mon, 25 May 2015 10:00:00 GMT The oak genome has been sequenced https://www.cea.fr/drf/english/Pages/News/Scientific-results/2015/oak-genome-sequenced.aspx Research teams from INRA and the CEA have just sequenced for the first time the genome of the pedunculate oak tree, which is widely distributed throughout the northern hemisphere. This work will improve our understanding of the adaptive mechanisms of trees to environmental variations, and will thus provide elements that can be used to anticipate their responses to climate change. Genomics ; Impact of climate change Fontenay-aux-Roses Scientific result Mon, 11 May 2015 10:00:00 GMT Intestinal microflora: a wealth of new species https://www.cea.fr/drf/english/Pages/News/Scientific-results/2014/Intestinal-microflora-a-wealth-of-new-species.aspx An international consortium involving teams from the CEA-IG has developed a new method for analyzing metagenomes. This method has been successfully applied to intestinal microflora, revealing hundreds of previously unknown species. Metagenomics ; Biodiversity IG Scientific result ; European & international partnerships Mon, 07 Jul 2014 10:00:00 GMT Rainbow trout: a surprising genome https://www.cea.fr/drf/english/Pages/News/Scientific-results/2014/Rainbow-trout-a-surprising-genome.aspx A French consortium, coordinated by INRA and involving the CEA (Genoscope), the CNRS and the Ecoles Normales Supérieures of Paris and Lyon, has sequenced and analyzed the genome of the rainbow trout . The result challenges a classic hypothesis in genetics. Biodiversity ; Agronomy ; Genomics Fontenay-aux-Roses Scientific result Tue, 22 Apr 2014 10:00:00 GMT Discovery of a new type of giant virus more than 30,000 years old https://www.cea.fr/drf/english/Pages/News/Scientific-results/2014/Discovery-of-a-new-type-of-giant-virus-more-than-30000-years-old.aspx A new type of giant virus, dubbed “Pithovirus”, was discovered in the frozen soil of extreme northeast Siberia by researchers from the CNRS/Aix-Marseille Université, CEA-IRTVS, CEA-IG and the Russian Academy of Sciences. Buried in the ground, this giant virus has survived more than 30,000 years of freezing. Genomics ; Biodiversity ; Evolution GENOSCOPE Scientific result Tue, 04 Mar 2014 11:00:00 GMT A bacterium reveals the crucible of its metallurgical activity https://www.cea.fr/drf/english/Pages/News/Scientific-results/2013/A-bacterium-reveals-the-crucible-of-its-metallurgical-activity.aspx An international consortium led by CEA researchers in collaboration with the CNRS, has succeeded in characterizing the structure and function of a protein involved in the production of magnetite nanomagnets in magnetotactic bacteria. Bioremediation ; MRI BIAM Scientific result Mon, 07 Oct 2013 10:00:00 GMT Creating an enzyme from scratch https://www.cea.fr/drf/english/Pages/News/Scientific-results/2013/Creating-an-enzyme-from-scratch.aspx A novelty for green chemistry. Researchers from the CEA-IRTSV and the IBS have developed a method of building stable and original metalloenzymes. Ultimately, this work will allow the pharmaceutical industry to propose an alternative to chemical catalysis and biocatalysis, by using more efficient and environmentally friendly processes. Green Chemistry IBS Scientific result Tue, 10 Sep 2013 10:00:00 GMT Research agreement with Canada: production of microalgae while decontaminating industrial sites https://www.cea.fr/drf/english/Pages/News/Scientific-results/2013/Research-agreement-with-Canada-production-of-microalgae-while-decontaminating-industrial-sites.aspx French Prime Minister Jean-Marc Ayrault announced the signature of an agreement for a collaboration between the CEA’s Department of Life Sciences and Canada’s National Research Council (NRC). This partnership aims to explore the potential in using gas and industrial wastes for the production of microalgae. Microalgae ; Bioremediation ; Recovery of CO2 Fontenay-aux-Roses European & international partnerships Fri, 15 Mar 2013 11:00:00 GMT The discovery of microalgae with an exceptional radiotolerance https://www.cea.fr/drf/english/Pages/News/Scientific-results/2013/discovery-of-microalgae-with-an-exceptional-radiotolerance.aspx A new, highly radiotolerant microalga species has just been isolated from a cooling pool for spent nuclear fuel. After analyzing the properties of this unique species, researchers now foresee new strategies for bioremediation. Bioremediation BIG Scientific result Tue, 12 Feb 2013 11:00:00 GMT