Mushrooms are more closely related to humans than they are to plants.
47
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Your heart will pump about 212 million liters in its lifetime.
26
It takes about 20 seconds for a red blood cell to circle the whole body.
102
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13