Early American humans hunted car-size armadillos and used their shells for houses.
12
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
You forget 90% of your dreams.
256
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
The human brain doesn't stop developing until about 25 years old.
102