1,043 – 986 thousand years ago By today’s date, Acheulean tools are well developed in Africa, and found in India too. Sophisticated tools like the Acheulean hand axe probably tell us somethin…| Logarithmic History
368 – 349 thousand years ago Part of the challenge of language is coming up with some way to distinguish thousands or tens of thousands of words from one another. It would be hard to come up with t…| Logarithmic History
833 – 789 thousand years ago Around today’s date, there was a shift in the nature of glacial cycles. But let’s back up a bit. Earth’s climate took a turn toward cool in the transition from Eocene t…| Logarithmic History