Early American humans hunted car-size armadillos and used their shells for houses.
12
If the human eye was a digital camera, it would have 576 megapixels.
25
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
The human brain has the capacity to store everything that you experience.
4k
The human brain doesn't stop developing until about 25 years old.
102
If your DNA was stretched out it would reach to the moon 6,000 times.
256
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24