If you unfolded your brain, it would cover an ironing board.
42
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Your heart rate can rise as much as 30% during a yawn.
69
When a person dies, hearing is usually the last sense to go.
124
An average adult produces about half a liter of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.
8
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
India used to be the richest country in the world until the British invasion in the early 17th Century.
37