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Daily briefing: ‘De-extinction’ company wants to bring back the dodo

mercredi 1er février 2023 par Flora Graham

Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00327-3Colossal Biosciences says its genetic technologies could revive the extinct bird. Plus, how scientists are rethinking the origins of depression and visual guide to the next generation of COVID-19 (...)

Nature

The surprising chemicals used to embalm Egyptian mummies

mercredi 1er février 2023 par Ewen Callaway

Nature, Published online: 01 February 2023; doi:10.1038/d41586-022-04400-1Resins used to prepare bodies for the afterlife are found in vessels in an ancient workshop.

Nature

How a grisly historical accident set one neuroscientist on the road to writing a book

mercredi 1er février 2023 par Emily Cooke

Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00291-yA psychology class about railway engineer Phineas Gage’s behaviour change after a metal rod speared his brain in 1848 led Chantel Prat, author of The Neuroscience of You, switching (...)

Nature

For optimal antibody effectiveness, sometimes less is more

mercredi 1er février 2023 par Christoph Wülfing, Simon J. Dovedi

Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00244-5Antibodies that activate stimulatory or inhibitory receptors are of great therapeutic interest for the treatment of cancer or autoimmune diseases. It emerges that such antibodies work better if they don’t bind to receptors (...)

Nature

Light tailors the electronic properties of a model semiconductor

mercredi 1er février 2023 par Alberto Crepaldi

Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00225-8When a semiconductor material called black phosphorus is hit with intense laser light, the behaviour of its electrons is found to change. The discovery opens a route to time-dependent engineering of exotic electronic (...)

Nature

Could solar panels in space supply Earth with clean energy?

mercredi 1er février 2023 par Elizabeth Gibney

Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00279-8As a prototype prepares for tests in orbit, Nature looks at five of the biggest challenges for space-based solar power.

Nature

Thrifty energy metabolism in solid tumours

mercredi 1er février 2023

Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00151-9The activity of two energy-producing metabolic pathways was recorded in different types of healthy tissue and solid-tumour tissue in mice. Comparisons of these measurements revealed that solid tumours make and use energy (...)

Nature

Fieldwork: how to gain access to research participants

mercredi 1er février 2023 par Anna Lena Bercht

Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00295-8It took experience and emotional investment to improve my ability to get close to research participants. Here’s how I did it, says Anna Lena Bercht.

Nature

The Milky Way in spellbinding detail and more — January’s best science images

mercredi 1er février 2023 par Emma Stoye

Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00215-wThe month’s sharpest science shots, selected by Nature’s photo team.

Nature

Fish fossil unfolds clues to vertebrate brain evolution

mercredi 1er février 2023 par Hugo Dutel, Matteo Fabbri

Nature, Published online: 01 February 2023; doi:10.1038/d41586-023-00243-6A 319-million-year-old fossil provides the oldest known evidence of preserved vertebrate brain tissue. This specimen offers insights into the brain evolution of ray-finned fishes, the most diverse group of living (...)

Nature