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
Mushrooms are more closely related to humans than they are to plants.
47
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
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
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15