In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Your thumb is about the same size as your nose.
124
The human eye blinks an average of 4,200,000 times a year.
233
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
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