[SunkenCiv]

Flint artifacts show rounded pits where "pot lids" flaked off in the heat of a prehistoric fire. [Ron Shimelmitz]

[null and void]

If one heats up the flint before knapping, one gets sharper edges.

[LibWhacker]

humans did not master fire until hundreds of thousands of years after they expanded into cold climates

Wow, how did they survive without it? I've always assumed they didn't migrate into cold areas until they had mastered it.

[Bullish]

I’m sure the Pali’s will be claiming they’re the rightful owners any day now.