The human brain uses approximately as much energy as a 10 watt light bulb.
120
The human brain is more active during sleep than during the day.
28
Our Right Lungs takes more air than our left lung.
194
Early American humans hunted car-size armadillos and used their shells for houses.
12
Tigers can see 6 times better at night than humans.
305
Your thumb is about the same size as your nose.
124
The average sperm cell swims at 8 inches per hour.
4