A contentious meeting of physicists highlighted concerns, failures and possible fixes for a crisis in condensed matter physics

In mice, a ketogenic diet increases the build-up of zombie-like cells in the heart, kidney, lungs and brain, which can accelerate organ ageing and lead to health problems

A common species of orchid seems to pass food packages to nearby seedlings, in a kind of plant parental care

A group of doctors and scientists is getting behind the controversial idea that people can be addicted to certain trigger foods, in the same way as drugs and alcohol. The team says this addiction should be treated with abstinence, which goes against mainstream medical advice

Analysis of pollen in sediment cores from a large lake in Greece shows that nomadic livestock herders took over the region after the collapse of the Western Roman Empire

Some AI firms think nuclear power can help meet the electricity demand from Silicon Valley’s data centres, but building new nuclear power stations takes too long to plug the gap in the short term