Sharp stone technology chipped over three million years allowed early humans to exploit animal and plant food resources. But how did the production of stone tools -- called 'knapping' -- start?

Heart failure with preserved ejection fraction (HFpEF) appears to develop as a result of changes in the biology of a person's internal fat tissue, according to the Adipokine Hypothesis, a new way of ...

Piller is an investigative journalist for Science. In November 2022, Dennis Selkoe, a Harvard professor of neurologic diseases and among the most celebrated and prolific Alzheimer’s researchers, ...