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First Moon landing was nearly a US–Soviet mission

mercredi 10 juillet 2019 par Roger D. Launius
Nature, Published online: 10 July 2019; doi:10.1038/d41586-019-02088-4As today’s tensions mount, it is salutary to recall that cooperation was on the table during the cold war, writes Roger D. Launius.

Whale hunt, climate lawsuits and chaos-theory pioneer

mercredi 10 juillet 2019
Nature, Published online: 10 July 2019; doi:10.1038/d41586-019-02085-7The week in science: 5–11 July 2019.

Cell communication in the blink of an eye

mercredi 10 juillet 2019 par Pavel Tomancak
Nature, Published online: 10 July 2019; doi:10.1038/d41586-019-02069-7The bodies of unicellular organisms called protists can contract extremely fast. Analysis reveals that the flow of surrounding fluid during contraction triggers a chain reaction of contraction of neighbouring (...)

Controlling protein assembly on inorganic crystals through designed protein interfaces

mercredi 10 juillet 2019 par Harley Pyles, Shuai Zhang, James J. De Yoreo, David Baker
Nature, Published online: 10 July 2019; doi:10.1038/s41586-019-1361-6The controlled design of arrays of carboxylates geometrically matched to a potassium ion sublattice leads to the formation of extended self-assembled protein structures on (...)

Japanese spacecraft probes asteroid’s guts for first time

mercredi 10 juillet 2019 par Davide Castelvecchi
Nature, Published online: 10 July 2019; doi:10.1038/d41586-019-02136-zHayabusa2 touched down on Ryugu to collect material from beneath the surface.

Planar perovskite solar cells with long-term stability using ionic liquid additives

mercredi 10 juillet 2019 par Sai Bai, Peimei Da, Cheng Li, Zhiping Wang, Zhongcheng Yuan, Fan Fu, Maciej Kawecki, Xianjie Liu, Nobuya Sakai, Jacob Tse-Wei Wang, Sven Huettner, Stephan Buecheler, Mats Fahlman, Feng Gao, Henry J. Snaith
Nature, Published online: 10 July 2019; doi:10.1038/s41586-019-1357-2Addition of an ionic liquid, BMIMBF4, to metal halide perovskite solar cells improves their efficiency and long-term operation under accelerated aging conditions of high temperature and full-spectrum (...)

Comprehensive single-cell transcriptome lineages of a proto-vertebrate

mercredi 10 juillet 2019 par Chen Cao, Laurence A. Lemaire, Wei Wang, Peter H. Yoon, Yoolim A. Choi, Lance R. Parsons, John C. Matese, Michael Levine, Kai Chen
Nature, Published online: 10 July 2019; doi:10.1038/s41586-019-1385-yComprehensive single-cell transcriptomes in the proto-vertebrate Ciona intestinalis identified provisional gene networks for 41 different neural subtypes, providing insights into the swimming circuit of tadpoles and the (...)

A human liver cell atlas reveals heterogeneity and epithelial progenitors

mercredi 10 juillet 2019 par Nadim Aizarani, Antonio Saviano, Sagar, Laurent Mailly, Sarah Durand, Josip S. Herman, Patrick Pessaux, Thomas F. Baumert, Dominic Grün
Nature, Published online: 10 July 2019; doi:10.1038/s41586-019-1373-2Single-cell RNA sequencing of cells from healthy human liver, hepatocellular carcinoma and chimaeric mouse liver identifies subtypes of liver cells, epithelial progenitors and differences between healthy and diseased (...)

Polar ice chronicles a toxic metal’s surging production

mercredi 10 juillet 2019
Nature, Published online: 10 July 2019; doi:10.1038/d41586-019-02124-3Samples from the Arctic track rising and falling levels of lead over two millennia.

Notum produced by Paneth cells attenuates regeneration of aged intestinal epithelium

mercredi 10 juillet 2019 par Nalle Pentinmikko, Sharif Iqbal, Miyeko Mana, Simon Andersson, Armand B. Cognetta III, Radu M. Suciu, Jatin Roper, Kalle Luopajärvi, Eino Markelin, Swetha Gopalakrishnan, Olli-Pekka Smolander, Santiago Naranjo, Tuure Saarinen, Anne Juuti, Kirsi Pietiläinen, Petri Auvinen, Ari Ristimäki, Nitin Gupta, Tuomas Tammela, Tyler Jacks, David M. Sabatini, Benjamin F. Cravatt, Ömer H. Yilmaz, Pekka Katajisto
Nature, Published online: 10 July 2019; doi:10.1038/s41586-019-1383-0Ageing-associated decline in intestinal stem cell function is mediated by increased Notum, a protein inhibitor of stemness-maintaining Wnt signalling, which is secreted by Paneth (...)

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