A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The human brain is more active during sleep than during the day.
28
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
The human brain doesn't stop developing until about 25 years old.
102
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
One human hair can support 3 ounces.
191
Early American humans hunted car-size armadillos and used their shells for houses.
12