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Pick a leader with vision for the Food and Agriculture Organization

mercredi 19 juin 2019
Nature, Published online: 19 June 2019; doi:10.1038/d41586-019-01902-3The United Nations body is about to elect a new director‑general. The choice will affect the entire globe for years to come.

Trump administration relaxes emissions limits on power plants

mercredi 19 juin 2019 par Jeff Tollefson
Nature, Published online: 19 June 2019; doi:10.1038/d41586-019-01944-7Rule for the US Environmental Protection Agency allows states to set their own limits on carbon-emissions levels.

Reply to: Egg pigmentation probably has an Archosaurian origin

mercredi 19 juin 2019 par Jasmina Wiemann, Tzu-Ruei Yang, Mark A. Norell
Nature, Published online: 19 June 2019; doi:10.1038/s41586-019-1283-3Reply to: Egg pigmentation probably has an Archosaurian origin

Sunlight harvested by nanotubes

mercredi 19 juin 2019 par Ming-Min Yang, Marin Alexe
Nature, Published online: 19 June 2019; doi:10.1038/d41586-019-01767-6Rolling an atom-thick semiconductor layer into a nanoscale tube allows it to convert solar energy into electricity without the need for semiconductor junctions — prerequisite features of conventional solar (...)

A universal biomolecular integral feedback controller for robust perfect adaptation

mercredi 19 juin 2019 par Stephanie K. Aoki, Gabriele Lillacci, Ankit Gupta, Armin Baumschlager, David Schweingruber, Mustafa Khammash
Nature, Published online: 19 June 2019; doi:10.1038/s41586-019-1321-1A synthetic gene circuit implementing an integral feedback topology is shown to achieve robust perfect adaptation in living cells--mathematical analysis proves this topology is necessary for adaptation in networks with noisy (...)

Daily briefing: Boaty McBoatface’s big breakthrough

mercredi 19 juin 2019 par Flora Graham
Nature, Published online: 19 June 2019; doi:10.1038/d41586-019-01955-4Everyone’s favourite robot sub uncovers climate-change churning in Antarctica, the lessons from one of science’s biggest frauds and the secret social lives of (...)

Crazy colour printing without ink

mercredi 19 juin 2019 par Seung Hwan Ko
Nature, Published online: 19 June 2019; doi:10.1038/d41586-019-01856-6The formation of microscopic pores and fibrils in polymers under stress — a process called crazing — often preludes material failure. Controlled crazing has now been used to produce an array of colours in polymer (...)

Perfect Andreev reflection due to the Klein paradox in a topological superconducting state

mercredi 19 juin 2019 par Seunghun Lee, Valentin Stanev, Xiaohang Zhang, Drew Stasak, Jack Flowers, Joshua S. Higgins, Sheng Dai, Thomas Blum, Xiaoqing Pan, Victor M. Yakovenko, Johnpierre Paglione, Richard L. Greene, Victor Galitski, Ichiro Takeuchi
Nature, Published online: 19 June 2019; doi:10.1038/s41586-019-1305-1Perfect transmission of electrons through a finite potential barrier between a normal metal and a topological superconducting state is demonstrated, as evidenced by an exact doubling of conductance in point contact (...)

Location-level processes drive the establishment of alien bird populations worldwide

mercredi 19 juin 2019 par David W. Redding, Alex L. Pigot, Ellie E. Dyer, Çağan H. Şekercioğlu, Salit Kark, Tim M. Blackburn
Nature, Published online: 19 June 2019; doi:10.1038/s41586-019-1292-2Bayesian hierarchical regression analysis of a global database of bird introduction events reveals the environmental, climatic and biotic factors that are the primary determinants of the successful establishment of populations (...)

Top 10 institutions for chemistry in 2018

mercredi 19 juin 2019
Nature, Published online: 19 June 2019; doi:10.1038/d41586-019-01926-9These 10 institutions in the Nature Index were the largest contributors to chemistry papers published in 82 leading journals in 2018.

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