You mostly breathe from only one nostril at a time!
75
We blink 25 times a minute.
51
You see your nose at all times, your brain just chooses to ignore it.
30
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
It takes about 20 seconds for a red blood cell to circle the whole body.
102
A man once sued his doctor because he survived his cancer longer than the doctor predicted.
74
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9