A new detection tool can accurately spot deepfake videos featuring any AI manipulation, from face swaps to completely synthetic AI-generated content

When people were randomised to receive either a placebo or Ozempic, they became biologically younger with the latter drug

Particles of light travelling through a maze of devices seem to have passed a famous test for entanglement – without being entangled at all

The tendency for AIs to give misleading answers may be in part down to certain training techniques, which encourage models to prioritise perceived helpfulness over accuracy

At least 300,000 men died during Napoleon’s retreat from Russia - now the latest genetic techniques have identified two pathogens that may have contributed to some of the deaths