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Sensitization of silicon by singlet exciton fission in tetracene

mercredi 3 juillet 2019 par Markus Einzinger, Tony Wu, Julia F. Kompalla, Hannah L. Smith, Collin F. Perkinson, Lea Nienhaus, Sarah Wieghold, Daniel N. Congreve, Antoine Kahn, Moungi G. Bawendi, Marc A. Baldo
Nature, Published online: 03 July 2019; doi:10.1038/s41586-019-1339-4A silicon and tetracene solar cell employing singlet fission uses an eight-angstrom-thick hafnium oxynitride interlayer to promote efficient triplet transfer, increasing the efficiency of the (...)

Insect egg size and shape evolve with ecology but not developmental rate

mercredi 3 juillet 2019 par Samuel H. Church, Seth Donoughe, Bruno A. S. de Medeiros, Cassandra G. Extavour
Nature, Published online: 03 July 2019; doi:10.1038/s41586-019-1302-4Analyses of insect eggs as well as genetic and life-history traits of insects show that where eggs are laid, rather than universal allometric constants, developmental rate or adult body size, underlies size and shape (...)

Single-cell analysis reveals T cell infiltration in old neurogenic niches

mercredi 3 juillet 2019 par Ben W. Dulken, Matthew T. Buckley, Paloma Navarro Negredo, Naresha Saligrama, Romain Cayrol, Dena S. Leeman, Benson M. George, Stéphane C. Boutet, Katja Hebestreit, John V. Pluvinage, Tony Wyss-Coray, Irving L. Weissman, Hannes Vogel, Mark M. Davis, Anne Brunet
Nature, Published online: 03 July 2019; doi:10.1038/s41586-019-1362-5Single-cell transcriptomic analysis of neurogenic niches in young and old mice reveals that T cells infiltrate the neurogenic niches of old mice and inhibit the proliferation of neural stem cells, in part through expression of (...)

Author Correction: Sampling the volatile-rich transition zone beneath Bermuda

mercredi 3 juillet 2019 par Sarah E. Mazza, Esteban Gazel, Michael Bizimis, Robert Moucha, Paul Béguelin, Elizabeth A. Johnson, Ryan J. McAleer, Alexander V. Sobolev
Nature, Published online: 03 July 2019; doi:10.1038/s41586-019-1366-1Author Correction: Sampling the volatile-rich transition zone beneath Bermuda

The biologist using insect eggs to overturn evolutionary doctrine

mercredi 3 juillet 2019 par Giorgia Guglielmi
Nature, Published online: 03 July 2019; doi:10.1038/d41586-019-02040-6Cassandra Extavour has transformed understanding of animal development — while championing diversity, and nurturing a side career as a soprano.

NASA changes how it divvies up telescope time to reduce gender bias

mercredi 3 juillet 2019 par Alexandra Witze
Nature, Published online: 03 July 2019; doi:10.1038/d41586-019-02064-yThe switch to double-blind peer review will affect roughly 650 scientists working on projects worth an estimated US$55 million.

Strange topological materials are popping up everywhere physicists look

mercredi 3 juillet 2019 par Davide Castelvecchi
Nature, Published online: 03 July 2019; doi:10.1038/d41586-019-02062-0‘Fragile topology’ is the latest addition to a group of quantum phenomena that give materials exotic — and exciting — properties.

Water seekers

mercredi 3 juillet 2019 par Kurt Pankau
Nature, Published online: 03 July 2019; doi:10.1038/d41586-019-02048-yCaught in a trap.

New name for breast-cancer syndrome could help to save lives

mercredi 3 juillet 2019 par Colin C. Pritchard
Nature, Published online: 03 July 2019; doi:10.1038/d41586-019-02015-7People of all sexes can have risk genes that are often assumed to affect only women. Renaming the syndrome should aid cancer prevention and treatment, argues Colin C. (...)

Asteroid impact, Titan mission and Soviet emissions

mercredi 3 juillet 2019
Nature, Published online: 03 July 2019; doi:10.1038/d41586-019-02039-zThe week in science: 28 June–4 July 2019.

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