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?

Two of the stone tools analyzed were made using the Levallois knapping technique of the Levant Stone Age, in which a flint stone core is essentially flaked away to make a point that can cut and hack.

The ability to recognize bone as a viable tool material, apply established stone-working techniques, and produce standardized tools all point to an ... and adapting knapping skills from stone ...

Keller Williams has taken on a significant investment from private equity firm Stone Point Capital, according to an announcement on Monday. “This is an exciting milestone for all Keller Williams ...