Our brains have a negativity bias and will remember bad memories more than good ones.
15
A person can live without food for about a month, but only about a week without water.
156
It takes approximately 12 hours for food to entirely digest.
93
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
You forget 90% of your dreams.
256
The average person will go on a date at least 100 times before they finally marry.
33