Those who had less rapid eye movement sleep gave up more easily on a monitored learning task than others

An Austrian cow called Veronika has been filmed using a garden broom to scratch herself on the buttocks. The behaviour, reported in Current Biology, represents the first documented example of tool use

BEHAVIOUR — RICHARD MAXWELL answers …

Research has found that nosebands are not too tight but that horses’ signs of stress increase with competition level

Professor Moira Lafferty on helping riders be their best, holding up a flight at Heathrow and travelling the world

Advancements in AI are being used to detect fractures and changes that could mean illness is developing