Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Every human spent about half an hour as a single cell.
144
Your thumb is about the same size as your nose.
124
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
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
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99