Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
By weight, Bone is five times stronger than steel.
417
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Your heart will pump about 212 million liters in its lifetime.
26
Mushrooms are more closely related to humans than they are to plants.
47
Our brains have a negativity bias and will remember bad memories more than good ones.
15