After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Our brains have a negativity bias and will remember bad memories more than good ones.
15
We share 70% of our DNA with a slug.
218
The human brain is more active during sleep than during the day.
28
The average sperm cell swims at 8 inches per hour.
4
Pain occurs when sounds are above 130 db.
124
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Babies crawl an average of 200m a day.
212