A man's beard grows fastest when he anticipates sex.
239
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Obsessive nose picking is called Rhinotillexomania.
101
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
A person can live without food for about a month, but only about a week without water.
156
Human hair and fingernails continue to grow after death.
7