Mushrooms are more closely related to humans than they are to plants.
47
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
A human being loses an average of 40 to 100 strands of hair a day.
133
On average a woman has 4 sexual partners in her lifetime.
-143
Your heart will pump about 212 million liters in its lifetime.
26