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Human alteration of global surface water storage variability

mercredi 3 mars 2021 par Sarah W. Cooley, Jonathan C. Ryan, Laurence C. Smith
Nature, Published online: 03 March 2021; doi:10.1038/s41586-021-03262-3Data from the ICESat-2 satellite quantifying the variability of water levels in natural and human-managed water bodies show that a disproportionate majority of global water storage variability occurs in human-managed (...)

Soft robot reaches the deepest part of the ocean

mercredi 3 mars 2021 par Cecilia Laschi, Marcello Calisti
Nature, Published online: 03 March 2021; doi:10.1038/d41586-021-00489-yA self-powered robot inspired by a fish can survive the extreme pressures at the bottom of the ocean’s deepest trench, thanks to its soft body and distributed electronic system — and might enable exploration of the uncharted (...)

State-dependent encoding of exploratory behaviour in the amygdala

mercredi 3 mars 2021 par Maria Sol Fustiñana, Tobias Eichlisberger, Tewis Bouwmeester, Yael Bitterman, Andreas Lüthi
Nature, Published online: 03 March 2021; doi:10.1038/s41586-021-03301-zDeep-brain calcium imaging of mice engaged in social or spatial exploration reveals that these state-dependent behaviours are encoded by distinct neuronal ensembles of the basolateral (...)

Stress-induced amorphization triggers deformation in the lithospheric mantle

mercredi 3 mars 2021 par Vahid Samae, Patrick Cordier, Sylvie Demouchy, Caroline Bollinger, Julien Gasc, Sanae Koizumi, Alexandre Mussi, Dominique Schryvers, Hosni Idrissi
Nature, Published online: 03 March 2021; doi:10.1038/s41586-021-03238-3Amorphization at grain boundaries in olivine-rich rocks under stress and consequent grain-boundary sliding could explain the decrease in viscosity between the lithosphere and the (...)

Robo-writers: the rise and risks of language-generating AI

mercredi 3 mars 2021 par Matthew Hutson
Nature, Published online: 03 March 2021; doi:10.1038/d41586-021-00530-0A remarkable AI can write like humans — but with no understanding of what it’s saying.

COVID vaccination studies: plan now to pool data, or be bogged down in confusion

mercredi 3 mars 2021 par Natalie Dean
Nature, Published online: 03 March 2021; doi:10.1038/d41586-021-00563-5Incompatible research designs will obscure essential answers about vaccine effectiveness. It’s time to plan together.

Fieldwork at your fingertips: creative methods for social research under lockdown

mercredi 3 mars 2021 par Ash Watson, Marianne Clark, Clare Southerton, Deborah Lupton
Nature, Published online: 03 March 2021; doi:10.1038/d41586-021-00566-2With face-to-face interviews on hold, social scientists are turning to digital diaries and deep dives into YouTube audience interactions instead.

COVID mega-database, single-shot vaccine and Pfizer results

mercredi 3 mars 2021
Nature, Published online: 03 March 2021; doi:10.1038/d41586-021-00529-7The latest science news, in brief.

Self-powered soft robot in the Mariana Trench

mercredi 3 mars 2021 par Guorui Li, Xiangping Chen, Fanghao Zhou, Yiming Liang, Youhua Xiao, Xunuo Cao, Zhen Zhang, Mingqi Zhang, Baosheng Wu, Shunyu Yin, Yi Xu, Hongbo Fan, Zheng Chen, Wei Song, Wenjing Yang, Binbin Pan, Jiaoyi Hou, Weifeng Zou, Shunping He, Xuxu Yang, Guoyong Mao, Zheng Jia, Haofei Zhou, Tiefeng Li, Shaoxing Qu, Zhongbin Xu, Zhilong Huang, Yingwu Luo, Tao Xie, Jason Gu, Shiqiang Zhu, Wei Yang
Nature, Published online: 03 March 2021; doi:10.1038/s41586-020-03153-zA free-swimming soft robot inspired by deep-sea creatures, with artificial muscle, power and control electronics spread across a polymer matrix, successfully adapts to high pressure and operates in the deep (...)

A microbial marriage reminiscent of mitochondrial evolution

mercredi 3 mars 2021 par William H. Lewis, Thijs J. G. Ettema
Nature, Published online: 03 March 2021; doi:10.1038/d41586-021-00500-6Symbiotic interactions between organisms have aided major evolutionary transitions. The interaction between two microorganisms has parallels with the evolution of mitochondria — key organelles in eukaryotic (...)

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