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La biodiversité peut aussi déstabiliser les écosystèmes

mercredi 16 janvier 2019 — Vie et Terre

Les écosystèmes riches en biodiversité sont plus stables face à la plupart des perturbations, telles que les sécheresses, les canicules ou les apports de pesticides. C'est du moins ce que l'on...

Techno-sciences

War on drugs won’t work in Brazil

mercredi 16 janvier 2019 par Vítor S Tardelli, Thiago M. Fidalgo

War on drugs won’t work in Brazil War on drugs won’t work in Brazil, Published online: 16 January 2019; doi:10.1038/d41586-019-00154-5War on drugs won’t work in Brazil

Nature

Excised linear introns regulate growth in yeast

mercredi 16 janvier 2019 par Jeffrey T. Morgan, Gerald R. Fink, David P. Bartel

Excised linear introns regulate growth in yeast Excised linear introns regulate growth in yeast, Published online: 16 January 2019; doi:10.1038/s41586-018-0828-1A set of 34 excised introns in Saccharomyces cerevisiae, characterized by having a short distance between the lariat branch point and (...)

Nature

Atomic-scale hardening mechanisms apply on larger scales in ‘architected’ materials

mercredi 16 janvier 2019 par Gang Seob Jung, Markus J. Buehler

Atomic-scale hardening mechanisms apply on larger scales in ‘architected’ materials Atomic-scale hardening mechanisms apply on larger scales in ‘architected’ materials, Published online: 16 January 2019; doi:10.1038/d41586-019-00042-yMetals can be strengthened by mechanisms that work on the atomic (...)

Nature

Plants on the Moon, US emissions spike and fish die-off

mercredi 16 janvier 2019

Plants on the Moon, US emissions spike and fish die-off Plants on the Moon, US emissions spike and fish die-off, Published online: 16 January 2019; doi:10.1038/d41586-019-00121-0The week in science: 11–17 January 2019.

Nature

A kiwellin disarms the metabolic activity of a secreted fungal virulence factor

mercredi 16 janvier 2019 par Xiaowei Han, Florian Altegoer, Wieland Steinchen, Lynn Binnebesel, Jan Schuhmacher, Timo Glatter, Pietro I. Giammarinaro, Armin Djamei, Stefan A. Rensing, Stefanie Reissmann, Regine Kahmann, Gert Bange

A kiwellin disarms the metabolic activity of a secreted fungal virulence factor A kiwellin disarms the metabolic activity of a secreted fungal virulence factor, Published online: 16 January 2019; doi:10.1038/s41586-018-0857-9A kiwellin protein in maize is found to inhibit the activity of the (...)

Nature

Watch: Robot reveals how ancient reptile ancestor moved

mercredi 16 janvier 2019 par Noah Baker

Watch: Robot reveals how ancient reptile ancestor moved Watch: Robot reveals how ancient reptile ancestor moved, Published online: 16 January 2019; doi:10.1038/d41586-019-00186-xScientists use a combination of x-ray video, computer modelling and robotics to reanimate 280-million-year-old (...)

Nature

3D printing mimics metals

mercredi 16 janvier 2019

3D printing mimics metals 3D printing mimics metals, Published online: 16 January 2019; doi:10.1038/d41586-019-00139-4Additive manufacturing combines with metallurgy to design strong, lightweight materials.

Nature

Reverse-engineering the locomotion of a stem amniote

mercredi 16 janvier 2019 par John A. Nyakatura, Kamilo Melo, Tomislav Horvat, Kostas Karakasiliotis, Vivian R. Allen, Amir Andikfar, Emanuel Andrada, Patrick Arnold, Jonas Lauströer, John R. Hutchinson, Martin S. Fischer, Auke J. Ijspeert

Reverse-engineering the locomotion of a stem amniote Reverse-engineering the locomotion of a stem amniote, Published online: 16 January 2019; doi:10.1038/s41586-018-0851-2Quantitative explorations using biomechanics and robotics of the gait of Orobates, a stem amniote, indicate that the (...)

Nature

Podcast: RNA splicing in yeast, and a walking fossil

mercredi 16 janvier 2019

Podcast: RNA splicing in yeast, and a walking fossil Podcast: RNA splicing in yeast, and a walking fossil, Published online: 16 January 2019; doi:10.1038/d41586-019-00181-2Benjamin Thompson and Charlotte Stoddart bring you the latest science (...)

Nature