The human brain doesn't stop developing until about 25 years old.
102
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The human brain has the capacity to store everything that you experience.
4k
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
There are about 255 babies born worldwide every minute.
46
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11