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N°32 I quarterly I january 2014 Contents | 3 Editorial by jean-françois stéphan,* director of the cnrs National Institute for Earth Sciences and Astronomy (INSU ) In Stockholm last September, the Intergovernmental Panel on Climate Change (IPCC) disclosed the contents of its Fifth Report (AR5), which assesses the state of scientific knowledge on the Earth’s climate system and the changes affecting it (Working Group I). Greater awareness of the interactions between the various components in the system, a more sophisticated observation strategy encompassing the natural and historical archives of the past, and sustained international effort in making climate models more accurate (the CMIP5 project), have helped climate science progress significantly since the previous report in 2007. This enhanced capacity has made it possible to confirm the basic trends discussed in the Fourth Report—and indeed anticipated since the 1990s. In this cooperative effort, the research conducted by CNRS and its key partners (Météo France, CEA, CNES, IRD, and a host of universities) provides a vital contribution and displays France’s expertise in the field. In parallel, the scientific community is increasingly called upon to describe and explain the regional and local impact of global climate change, in order to put forward a range of adaptive measures for decision-makers. This is the mission of the IPCC Working Group II, whose report will be released later this year. It represents a new key challenge for research, with a host of ancillary issues, such as the combination of spatial and temporal scales, the improvement of local and regional models, and the integration of a whole array of complex processes and interactions. The search for solutions involves many CNRS disciplines, from mathematics to the humanities and social sciences. Our organization is thus very well positioned to take up the challenges raised by the Fifth IPCC Report. * Our colleague Jean-François Stéphan passed away on December 21, 2013. 4 I 5 In the News New head of the ERC, SWARM satellites launch, Mapping worlwide CO2 emissions, a Nobel for Higgs. 16 I 17 Profile Developmental biologist Margaret Buckingham awarded the 2013 CNRS Gold Medal. 31 Insights Implanting false memories in the brains of mice. 32 I 37 CNRS Networks USA country profile, Successful collaboration with Azerbaijan, Horizon 2020, Alain Tarrius on transmigration. 38 CNRS Facts and Figures Latest data on the largest fundamental scientific institution in Europe. 39 Snapshot Collisions between herds of colloidal particles. DR 6 I 15 Live from the Labs New clues surface on Mars, Keeping ant-plant mutualism in check, Novel compounds to treat cystic fibrosis, Neutron-free fusion, GSM radio waves and neuronal activity, Isolating oil from water, Luminescent fingerprints, Rise of tiny plankton, and Fighting meningitis. These pictograms indicate extra content (pictures or videos) that can be accessed on the online version of the magazine. > www.cnrs.fr/cnrsmagazine © Crime Scene Technolog y 28 I 30 In Images Inside the new nanoscience building at Institut Néel. © c.fr ésillon /CNRS Phototh èque 18 I 27 Focus Tracking Climate Change 20 I The IPCC in Four Questions 22 I The Hidden Face of Climate Research 26 I Climate Change: Facts and Uncertainties © j. e. ross /corbis To receive the online version of CNRS International Magazine in your inbox, email us at: cnrs-magazine@cnrs-dir.fr


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