There's a real skill to making tools out of flint. IAN DENNIS ... Once you've knocked off all your flakes, you can make a nice arrow. RAKSHA: They look rather deadly, but what I'm wondering ...

It seems to illustrate not only the enduring success of flint knapped tools but also how humankind comes to similar solutions to problems regardless of the separation of time and distance.

When elephants died out during the Paleolithic era some ... deer came from and made special efforts to use flint from the same area to make tools for butchering this prey. This behavior is ...