Mushrooms are more closely related to humans than they are to plants.
47
A person can live without food for about a month, but only about a week without water.
156
Your thumb is about the same size as your nose.
124
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
On average, there's 100 billion neurons in the human brain.
83
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161