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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
A man's beard grows fastest when he anticipates sex.
239
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
By weight, Bone is five times stronger than steel.
417
Our Right Lungs takes more air than our left lung.
194