Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Mushrooms are more closely related to humans than they are to plants.
47
Enamel is hardest substance in the human body.
61
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
The human brain has the capacity to store everything that you experience.
4k