Sur le Web

Nouveautés sur le Web

Articles les plus récents

Ageing of stem cells reduces their capacity to form tumours

mercredi 4 décembre 2024 par Tatiana Cañeque, Raphaël Rodriguez

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03721-7The discovery that the ageing of lung stem cells drives iron insufficiency and reduces the capacity of the cells to form tumours has potential implications for the treatment of cancer and for regenerative (...)

Nature

Abundant plant gas forms aerosol particles at high altitude — and could affect the climate

mercredi 4 décembre 2024 par James Allan

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03844-xAerial observations and experiments with a simulated atmosphere show that isoprene, a gas emitted by trees, is a precursor of particles in the upper atmosphere. The findings could help to improve climate (...)

Nature

How to ensure only dying cells rupture

mercredi 4 décembre 2024 par Elliott M. Bernard, Petr Broz

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03851-yDuring some types of cell death, cells rupture to release molecules that cause inflammation. This must happen at the right time and place to restore health. How is the protein NINJ1 regulated so that cells break open only (...)

Nature

Exis memoria

mercredi 4 décembre 2024 par Hannya Kay

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03908-yTales to tell.

Nature

Advising governments about science is essential but difficult. So train people to do it

mercredi 4 décembre 2024

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03910-4A great scientist doesn’t necessarily make an effective science adviser — but schooling and practice can help to bridge the gap.

Nature

Science could solve some of the world’s biggest problems. Why aren’t governments using it?

mercredi 4 décembre 2024 par Helen Pearson

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03906-0A Nature global survey finds that most specialists are unhappy with systems to provide science advice to policymakers.

Nature

Stress can dull our capacity for joy: mouse brain patterns hint at why

mercredi 4 décembre 2024 par Max Kozlov

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03958-2Scientists pinpoint brain circuits linked to either resilience or vulnerability to adversity, which affect a stressed animal’s pursuit of pleasure.

Nature

Why breast cancer treatments might work best just after your period

mercredi 4 décembre 2024 par Nick Petri? Howe, Emily Bates

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03986-yData suggest that breast cancer could be more susceptible to chemotherapy in a phase when progesterone is low — plus, why the debate around whether AI is close to human-level intelligence is hotting (...)

Nature

A brain circuit that links hunger signals with the jaw movements of eating

mercredi 4 décembre 2024

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03913-1A simple neural circuit connects a satiety-inducing hormone with feeding movements, including chewing and biting. Hunger signals activate neurons in the arcuate nucleus of the hypothalamus. These project to neurons in the (...)

Nature

What is the best time of the month to treat breast cancer?

mercredi 4 décembre 2024 par Wendy V. Ingman

Nature, Published online: 04 December 2024; doi:10.1038/d41586-024-03847-8Could breast cancer survival rates be improved simply by timing treatment to a specific stage of the menstrual cycle? Mouse and human data suggest sensitivity to chemotherapy is affected by fluctuations in ovarian (...)

Nature