The human brain has the capacity to store everything that you experience.
4k
Tigers can see 6 times better at night than humans.
305
The average sperm cell swims at 8 inches per hour.
4
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
There are about 255 babies born worldwide every minute.
46
Your fingernails grow faster in summer.
744
The human brain is more active during sleep than during the day.
28