After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
The human sigh acts as a physiological reset button.
23
