It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Pain occurs when sounds are above 130 db.
124
If your DNA was stretched out it would reach to the moon 6,000 times.
256
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
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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The world's shortest man measures only 21.5 inches.
73