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?

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, ...

(via Cool Worlds) Many of you wanted me to talk about the Dark Forest Hypothesis - an idea popularised (bit not limited to) the the sci-fi novel and Netflix series, "The Three Body Problem" by Liu ...