News round-up
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Press
Highest-energy cosmic rays have extragalactic origin
A 50-year-old debate has at last been settled: the highest-energy cosmic rays do not originate in our own Galaxy but in galaxies located tens or even…
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Synaptic receptor mobility: discovery of a new mechanism for controlling memory
Researchers in Bordeaux recently discovered a new mechanism for storing information in synapses and a means of controlling the storage process. The…
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Magnetic cellular "Legos" for the regenerative medicine of the future
By incorporating magnetic nanoparticles in cells and developing a system using miniaturized magnets, researchers at the Laboratoire Matière et…
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Animal welfare: Potential new indicator of chronic stress in horses
Cortisol is generally considered to be a stress hormone because its levels rise during episodes of acute stress. Yet its relationship to chronic…
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Does the organic material of comets predate our Solar System?
The Rosetta space probe discovered a large amount of organic material in the nucleus of comet “Chury.” In an article published by MNRAS on August 31,…
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European XFEL: Europe's next-generation free-electron laser
The faster, more powerful European XFEL free-electron laserA free-electron laser (FEL) generates photons using electrons that are not bound to atoms…
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A new mobile application helps scientists map the sound environment
Anyone who owns an Android smartphone will soon be able to contribute to a research project, simply by recording surrounding noise. The purpose is to…
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Electricity production: when enzymes rival platinum
Making a biocell that is as effective as a platinum fuel cell: that's the feat that researchers in the Laboratoire de Bioénergétique et Ingénierie…
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Testicular macrophages, guardians of fertility
The origin, development, and characteristics of two types of testicular macrophage have been described by a CNRS team at the Centre d'Immunologie de…
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Are learning and unlearning bedfellows?
We know that sleep helps us integrate knowledge acquired during the day. But can we learn new things while sleeping? By exposing subjects to repeated…
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