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River Dolphins Have a Wide Vocal Repertoire

jeudi 25 avril 2019 par Christopher Intagliata — Mind, Cognition, The Sciences, Biology, Evolution
Freshwater dolphins are evolutionary relics, and their calls give clues to the origins of cetacean communication in general. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Des machines moléculaires contre le cancer

mercredi 24 avril 2019 — Vie et Terre
Le grand défi de la chimiothérapie consiste à attaquer les tumeurs tout en épargnant les tissus sains. Pour y répondre, des chercheurs de l'Institut de chimie radicalaire (ICR,...

Nouvelle modélisation de la mémoire magnétique

mercredi 24 avril 2019 — Physique
Des chercheurs du laboratoire Spintec de notre institut travaillent sur les MRAM. Dans cette étude, ils proposent d'intégrer l'effet Joule au modèle macrospin afin de le rendre applicable à toute...

Honeybees Can Put Two and Two Together

mercredi 24 avril 2019 par Annie Sneed — Mind, Cognition, Neuroscience, The Sciences, Biology, Evolution
The tiny brain of a honeybee is apparently able to calculate small numbers' addition and subtraction. Annie Sneed reports. -- Read more on ScientificAmerican.com

Molybdenum-catalysed ammonia production with samarium diiodide and alcohols or water

mercredi 24 avril 2019 par Yuya Ashida, Kazuya Arashiba, Kazunari Nakajima, Yoshiaki Nishibayashi
Molybdenum-catalysed ammonia production with samarium diiodide and alcohols or water Molybdenum-catalysed ammonia production with samarium diiodide and alcohols or water, Published online: 24 April 2019; doi:10.1038/s41586-019-1134-2The molybdenum-catalysed reduction of nitrogen to ammonia is (...)

NAD metabolic dependency in cancer is shaped by gene amplification and enhancer remodelling

mercredi 24 avril 2019 par Sudhir Chowdhry, Ciro Zanca, Utkrisht Rajkumar, Tomoyuki Koga, Yarui Diao, Ramya Raviram, Feng Liu, Kristen Turner, Huijun Yang, Elizabeth Brunk, Junfeng Bi, Frank Furnari, Vineet Bafna, Bing Ren, Paul S. Mischel
NAD metabolic dependency in cancer is shaped by gene amplification and enhancer remodelling NAD metabolic dependency in cancer is shaped by gene amplification and enhancer remodelling, Published online: 24 April 2019; doi:10.1038/s41586-019-1150-2NAD metabolic pathway choice in cancer is (...)

The new frontier of gravitational waves

mercredi 24 avril 2019 par M. Coleman Miller, Nicolás Yunes
The new frontier of gravitational waves The new frontier of gravitational waves, Published online: 24 April 2019; doi:10.1038/s41586-019-1129-zThe history and advancements of gravitational-wave astronomy are reviewed and the future of the field is (...)

SR-B1 drives endothelial cell LDL transcytosis via DOCK4 to promote atherosclerosis

mercredi 24 avril 2019 par Linzhang Huang, Ken L. Chambliss, Xiaofei Gao, Ivan S. Yuhanna, Erica Behling-Kelly, Sonia Bergaya, Mohamed Ahmed, Peter Michaely, Kate Luby-Phelps, Anza Darehshouri, Lin Xu, Edward A. Fisher, Woo-Ping Ge, Chieko Mineo, Philip W. Shaul
SR-B1 drives endothelial cell LDL transcytosis via DOCK4 to promote atherosclerosis SR-B1 drives endothelial cell LDL transcytosis via DOCK4 to promote atherosclerosis, Published online: 24 April 2019; doi:10.1038/s41586-019-1140-4The SR-B1 receptor partners with DOCK4 and RAC1 to drive the (...)

A fresh approach to synthesizing ammonia from air and water

mercredi 24 avril 2019 par Máté J. Bezdek, Paul J. Chirik
A fresh approach to synthesizing ammonia from air and water A fresh approach to synthesizing ammonia from air and water, Published online: 24 April 2019; doi:10.1038/d41586-019-01213-7Ammonia is vital to society, but its manufacture is energy intensive, has a large carbon footprint and requires (...)

Phylogenetic evidence for Sino-Tibetan origin in northern China in the Late Neolithic

mercredi 24 avril 2019 par Menghan Zhang, Shi Yan, Wuyun Pan, Li Jin
Phylogenetic evidence for Sino-Tibetan origin in northern China in the Late Neolithic Phylogenetic evidence for Sino-Tibetan origin in northern China in the Late Neolithic, Published online: 24 April 2019; doi:10.1038/s41586-019-1153-zDivergence estimates from phylogenetic analyses of 109 (...)

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