Our brains have a negativity bias and will remember bad memories more than good ones.
15
One human hair can support 3 ounces.
191
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
A human being loses an average of 40 to 100 strands of hair a day.
133
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515