If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
We share 70% of our DNA with a slug.
218
Mushrooms are more closely related to humans than they are to plants.
47
Pain occurs when sounds are above 130 db.
124
The world's shortest man measures only 21.5 inches.
73
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 oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The human brain has the capacity to store everything that you experience.
4k