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Le moteur à propergol solide d'Ariane 6 et Vega-C a fait ses preuves lors d'un essai à feu

mercredi 18 juillet 2018 — Espace
L'essai à feu du moteur à propergol solide P120C réalisé le 16 juillet au Port spatial de l'Europe en Guyane a prouvé son aptitude au vol sur Vega-C l'année prochaine, et Ariane 6 en...

Evaluation woes: professors should have fought harder

mercredi 18 juillet 2018 par Andrew Beattie
Evaluation woes: professors should have fought harder Evaluation woes: professors should have fought harder, Published online: 18 July 2018; doi:10.1038/d41586-018-05749-yEvaluation woes: professors should have fought harder

Peptide secretion triggers diabetes

mercredi 18 juillet 2018 par Jiajie Wei, Jonathan W. Yewdell
Peptide secretion triggers diabetes Peptide secretion triggers diabetes, Published online: 18 July 2018; doi:10.1038/d41586-018-05710-zAn autoimmune attack on cells that make the hormone insulin causes type 1 diabetes. A mouse study reveals that pancreatic-cell release of insulin peptide (...)

Controlling an organic synthesis robot with machine learning to search for new reactivity

mercredi 18 juillet 2018 par Jarosław M. Granda, Liva Donina, Vincenza Dragone, De-Liang Long, Leroy Cronin
Controlling an organic synthesis robot with machine learning to search for new reactivity Controlling an organic synthesis robot with machine learning to search for new reactivity, Published online: 18 July 2018; doi:10.1038/s41586-018-0307-8A robot instructed by a machine learning algorithm (...)

Track the fate of postdocs to help the next generation of scientists

mercredi 18 juillet 2018
Track the fate of postdocs to help the next generation of scientists Track the fate of postdocs to help the next generation of scientists, Published online: 18 July 2018; doi:10.1038/d41586-018-05745-2Data on the career paths of young researchers would help to guide the ‘lost (...)

Learn from industry to build a healthy lab

mercredi 18 juillet 2018 par Z. Hugh Fan
Learn from industry to build a healthy lab Learn from industry to build a healthy lab, Published online: 18 July 2018; doi:10.1038/d41586-018-05748-zLearn from industry to build a healthy lab

Officials and scientists need help to track down rogue source of CFCs

mercredi 18 juillet 2018
Officials and scientists need help to track down rogue source of CFCs Officials and scientists need help to track down rogue source of CFCs, Published online: 18 July 2018; doi:10.1038/d41586-018-05743-4Emissions of ozone-destroying chemical blamed on Chinese companies, but origin is yet to be (...)

An unexpected trigger for calorie burning in brown fat

mercredi 18 juillet 2018 par Sheng Hui, Joshua D. Rabinowitz
An unexpected trigger for calorie burning in brown fat An unexpected trigger for calorie burning in brown fat, Published online: 18 July 2018; doi:10.1038/d41586-018-05619-7The molecule succinate, which is a product of metabolism, promotes heat production and therefore calorie burning in brown (...)

Thymic tuft cells promote an IL-4-enriched medulla and shape thymocyte development

mercredi 18 juillet 2018 par Corey N. Miller, Irina Proekt, Jakob von Moltke, Kristen L. Wells, Aparna R. Rajpurkar, Haiguang Wang, Kristin Rattay, Imran S. Khan, Todd C. Metzger, Joshua L. Pollack, Adam C. Fries, Wint W. Lwin, Eric J. Wigton, Audrey V. Parent, Bruno Kyewski, David J. Erle, Kristin A. Hogquist, Lars M. Steinmetz, Richard M. Locksley, Mark S. Anderson
Thymic tuft cells promote an IL-4-enriched medulla and shape thymocyte development Thymic tuft cells promote an IL-4-enriched medulla and shape thymocyte development, Published online: 18 July 2018; doi:10.1038/s41586-018-0345-2A comprehensive analysis of the thymic medulla identifies a (...)

Death-defying NASA mission will make humanity’s closest approach to the Sun

mercredi 18 juillet 2018 par Alexandra Witze
Death-defying NASA mission will make humanity’s closest approach to the Sun Death-defying NASA mission will make humanity’s closest approach to the Sun, Published online: 18 July 2018; doi:10.1038/d41586-018-05741-6The Parker Solar Probe will dive into the sizzling solar corona to explore its (...)

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