If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Yawns are more contagious among people with closer relationships.
163
Babies crawl an average of 200m a day.
212
The average person's skin weighs twice as much as their brain.
131
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
Our brains have a negativity bias and will remember bad memories more than good ones.
15
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198