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?

Charming Quarks “When the quark hypothesis was first proposed more than 10 years ago, there were supposed to be three kinds ...

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, ...