Early American humans hunted car-size armadillos and used their shells for houses.
12
Mushrooms are more closely related to humans than they are to plants.
47
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
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
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
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191