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Articles les plus récents

Lyme disease laid bare

mercredi 13 décembre 2017 par James G. Logan
James G. Logan hails a study of the controversial tick-borne condition.

US graduate students in uproar over proposed tax hike

mercredi 13 décembre 2017 par Helen Shen
Worries over the cost of an education spill over into protests.

Argentinian geoscientist faces criminal charges over glacier survey

mercredi 13 décembre 2017 par Jeff Tollefson, Emiliano Rodríguez Mega
Government researcher Ricardo Villalba stands accused of shaping a study to benefit mining interests.

The science that’s never been cited

mercredi 13 décembre 2017
Nature investigates how many papers really end up without a single citation.

Deploy vaccines to fight superbugs

mercredi 13 décembre 2017 par Rino Rappuoli, David E. Bloom, Steve Black
Immunizations combined with antibiotics could be our best shot at combating drug-resistant microbes, argue Rino Rappuoli, David E. Bloom and Steve Black.

Viruses hijack a long non-coding RNA

mercredi 13 décembre 2017 par Nicholas S. Heaton, Bryan R. Cullen
​​​​​​​Manipulation of host-cell metabolism is an essential aspect of viral replication cycles. Viral co-option of a cellular long non-protein-coding RNA has now been found to be a key step in this process.

Longer life through an odd Pol enzyme

mercredi 13 décembre 2017 par Bruce A. Edgar, Savraj S. Grewal
The evolutionarily conserved enzyme RNA polymerase III is a driver of protein synthesis and cell growth. It emerges that partial suppression of this essential enzyme extends lifespan in yeast, roundworms and flies.

A dark side to omega-3 fatty acids

mercredi 13 décembre 2017 par Keisuke Yanagida, Timothy Hla
The molecule 19,20-dihydroxydocosapentaenoic acid, formed by the metabolism of a fatty acid involved in normal brain function, promotes the development of a diabetes-associated form of blindness in a mouse model.

Early embryos kept in check

mercredi 13 décembre 2017 par Julien G. Dumortier, Jean-Léon Maître
As pluripotent stem cells become primed to give rise to all bodily cell types, they begin to form the amniotic cavity in which the mammalian fetus will grow. A checkpoint that gates this transition has now been identified.

Fifteen minutes

mercredi 13 décembre 2017 par Alex Shvartsman
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