20,000 to 9700 BCE · Africanspan

Ten thousand years of climate swings force everyone to start over

Ehret makes the whole span from the ice maximum to the Holocene one long crisis of adaptation.

Read the full entryClose

Opening… read it as its own page

20,000 to 9700 BCE · Africanspan

The ice age ended in fits, with four reversals along the way

Oldest Dryas, Bolling, Allerod, Older Dryas, Younger Dryas: the last ice millennia in order.

Read the full entryClose

Opening… read it as its own page

20,000 to 7000 BCE · Africanspan

Every continent humans reached lost its big animals, except the one we came from

Thirty-five genera gone in North America, fifty-two in South America, and Africa's elephants still standing.

Read the full entryClose

Opening… read it as its own page