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Press
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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Press
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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The Sun's core makes a complete rotation in one week
The rotation rate of the Sun's core has been accurately measured for the first time. The Sun, which has been remarkably stable for the past 4.6…
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A new threat to pollination: the dark side of artificial light
A European team, including a researcher from the Centre d'Écologie et des Sciences de la Conservation (CNRS/MNHN/UPMC), has shown for the first time…
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Our ancestors were already warm-blooded just before the Permian-Triassic extinction event
For how long have warm-blooded animals existed? The time at which this character first appeared in the ancestors of mammals has long been debated…
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