Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The human brain doesn't stop developing until about 25 years old.
102
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Tigers can see 6 times better at night than humans.
305