After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
You can't tickle yourself.
29
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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
![Mushrooms are more closely related to humans than they are to plants.](res/uploads/fact/3457/mushroom-human-plants-285.jpg)
Mushrooms are more closely related to humans than they are to plants.
47
There are about 255 babies born worldwide every minute.
46
You forget 90% of your dreams.
256