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Silhouette of girl

Health

Girls’ brains aged unusually rapidly during the covid-19 pandemic

Adolescents’ brains underwent accelerated ageing during the covid-19 pandemic, and the effect was more pronounced in girls than in boys

Mark Barrow dives UK rivers to expose the damaging effects of sewage and other pollutants in the water

Diver documents the ‘biblical’ demise of UK rivers

Physics

Quantum physicists just got more certain about quantum uncertainty

Life

The science of why spending time in nature is just so good for us

Health

Vegans who avoid ultra-processed food risk being protein deficient

A scanning electron micrograph of mammalian embryonic stem cells

Health

The development of embryos may be less shaped by genes than we thought

Technology

AI discovers new class of antibiotics to kill drug-resistant bacteria

Physics

Famous quantum experiment could be shrunk to the size of a single atom

Physics

The laws of physics were broken in 2023 – by sperm

Volcano erupts on Iceland's Reykjanes peninsula

Iceland volcano: Watch the Fagradalsfjall eruption live

Iceland’s Fagradalsfjall volcano, located on the country’s south-west Reykjanes peninsula, has erupted after weeks of earthquake activity

Physics

Snowflakes fall to the ground according to a universal pattern

Technology

Elon Musk spent 2023 shaping Twitter – sorry, X – in his own image

Technology

‘Clinical-grade’ AI stress detector doesn’t work, study suggests

Environment

The best photos of the natural world in 2023