The human sigh acts as a physiological reset button.
23
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Tigers can see 6 times better at night than humans.
305
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Gorillas can catch human colds and other illnesses.
205