There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Early American humans hunted car-size armadillos and used their shells for houses.
12
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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
The human brain has the capacity to store everything that you experience.
4k
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Your heart will pump about 212 million liters in its lifetime.
26