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Carbon rings push limits of chemical theories

mercredi 29 novembre 2023 par Przemys?aw Gawe?, Cina Foroutan-Nejad

Nature, Published online: 29 November 2023; doi:10.1038/d41586-023-03575-5Scientists are tantalized by the many forms that carbon could adopt — some of which are predicted to have extraordinary properties. The synthesis of three new all-carbon molecules is therefore a source of (...)

Nature

Remote collaboration fuses fewer breakthrough ideas

mercredi 29 novembre 2023 par Yiling Lin, Carl Benedikt Frey, Lingfei Wu

Nature, Published online: 29 November 2023; doi:10.1038/s41586-023-06767-1Analysis of research articles and patent applications shows that members of teams that collaborate remotely are less likely to make breakthrough discoveries than members of on-site (...)

Nature

The genetic diversity of Bantu-speaking populations helped to shape African history

mercredi 29 novembre 2023

Nature, Published online: 29 November 2023; doi:10.1038/d41586-023-03379-7Analysis of a massive genomic data set reveals the profound effects that the movement of Bantu-speaking peoples had on Africa’s biological, linguistic and cultural landscape. These findings provide valuable insights for a (...)

Nature

A probable Keplerian disk feeding an optically revealed massive young star

mercredi 29 novembre 2023 par Anna F. McLeod, Pamela D. Klaassen, Megan Reiter, Jonathan Henshaw, Rolf Kuiper, Adam Ginsburg

Nature, Published online: 29 November 2023; doi:10.1038/s41586-023-06790-2The authors suggest that a probable Keplerian disk is feeding an optically revealed massive young stellar object in the Large Magellanic Cloud.

Nature

Cascaded compression of size distribution of nanopores in monolayer graphene

mercredi 29 novembre 2023 par Jiangtao Wang, Chi Cheng, Xudong Zheng, Juan Carlos Idrobo, Ang-Yu Lu, Ji-Hoon Park, Bong Gyu Shin, Soon Jung Jung, Tianyi Zhang, Haozhe Wang, Guanhui Gao, Bongki Shin, Xiang Jin, Long Ju, Yimo Han, Lain-Jong Li, Rohit Karnik, Jing Kong

Nature, Published online: 29 November 2023; doi:10.1038/s41586-023-06689-yCascaded compression, in which nanopores are compressed by cycles of shrinkage and expansion, is described, leading tohigh-density nanopores in monolayer graphene with a narrow pore-size distribution, left skewness and (...)

Nature

Disease-specific tau filaments assemble via polymorphic intermediates

mercredi 29 novembre 2023 par Sofia Lövestam, David Li, Jane L. Wagstaff, Abhay Kotecha, Dari Kimanius, Stephen H. McLaughlin, Alexey G. Murzin, Stefan M. V. Freund, Michel Goedert, Sjors H. W. Scheres

Nature, Published online: 29 November 2023; doi:10.1038/s41586-023-06788-wA time-resolved cryogenic electron microscopy analysis provides structural information on the processes of primary and secondary nucleation of tau amyloid formation, with implications for the development of new (...)

Nature

Evidence for chiral supercurrent in quantum Hall Josephson junctions

mercredi 29 novembre 2023 par Hadrien Vignaud, David Perconte, Wenmin Yang, Bilal Kousar, Edouard Wagner, Frédéric Gay, Kenji Watanabe, Takashi Taniguchi, Hervé Courtois, Zheng Han, Hermann Sellier, Benjamin Sacépé

Nature, Published online: 29 November 2023; doi:10.1038/s41586-023-06764-4Ultra-narrow quantum Hall Josephson junctions defined in encapsulated graphene nanoribbons exhibit a chiral supercurrent, visible up to 8 T.

Nature

Human mobility networks reveal increased segregation in large cities

mercredi 29 novembre 2023 par Hamed Nilforoshan, Wenli Looi, Emma Pierson, Blanca Villanueva, Nic Fishman, Yiling Chen, John Sholar, Beth Redbird, David Grusky, Jure Leskovec

Nature, Published online: 29 November 2023; doi:10.1038/s41586-023-06757-3There is extreme socioeconomic segregation in large US cities, arising from a greater choice of differentiated spaces targeted to specific socioeconomic groups, which can be countered by positioning city hubs (such as (...)

Nature

mRNA reading frame maintenance during eukaryotic ribosome translocation

mercredi 29 novembre 2023 par Nemanja Milicevic, Lasse Jenner, Alexander Myasnikov, Marat Yusupov, Gulnara Yusupova

Nature, Published online: 29 November 2023; doi:10.1038/s41586-023-06780-4The accuracy of eukaryotic ribosome translocation relies on eukaryote-specific elements of the 80S ribosome, elongation factor 2 and transfer RNAs, all of which contribute to the maintenance of the messenger RNA reading (...)

Nature

Scaling deep learning for materials discovery

mercredi 29 novembre 2023 par Amil Merchant, Simon Batzner, Samuel S. Schoenholz, Muratahan Aykol, Gowoon Cheon, Ekin Dogus Cubuk

Nature, Published online: 29 November 2023; doi:10.1038/s41586-023-06735-9A protocol using large-scale training of graph networks enables high-throughput discovery of novel stable structures and led to the identification of 2.2 million crystal structures, of which 381,000 are newly discovered (...)

Nature