Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Our Right Lungs takes more air than our left lung.
194
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
The human brain is more active during sleep than during the day.
28
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307