A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Mushrooms are more closely related to humans than they are to plants.
47
You forget 90% of your dreams.
256
Your thumb is about the same size as your nose.
124
Only humans shed emotional tears.
331
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24