An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
We share 70% of our DNA with a slug.
218
Enamel is hardest substance in the human body.
61
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
There are about 255 babies born worldwide every minute.
46