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The genetic variant is one of a handful that have been identified in people who don't need a lot of sleep.

Ancestral reconstruction together with molecular dating of the last Asgard archaea and eukaryote common ancestor suggest that eukaryotes arose from the fusion of a H2-consuming archaeal host and a H2-producing protomitochondrion.

Satellite observations of solar radiation have narrowed down the possible properties of dark photons -- a proposed dark-matter particle.

A study of the cooperative breeding behaviour of superb starlings during 40 consecutive breeding seasons over 20 years reveals long-term reciprocal helping between both related and unrelated individuals.

Michael Running Wolf leads artificial-intelligence initiatives to revive lost languages and empower Indigenous people.

The country's publication policies should balance the need to promote science locally with the benefits of disseminating research internationally.

Jiraporn Inthasan studies soils in Thailand's plantations to identify farming methods that best absorb carbon.

Team scoops US$60,000 prize for identifying a Greek work on vices from scans of a 2,000-year-old papyrus charred by volcanic eruption.

Undeterred by US funding cuts, behavioural-health researcher Jason Flatt studies how dementia affects people from sexual and gender minorities.

Unusual 'extrinsic' geometries give rose petals their curled edges and pointed corners. Plus, a new technique that can directly edit proteins in living cells and how India rewrote the rules of space travel when it launched its first satellite.