By weight, Bone is five times stronger than steel.
417
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
About half of all Americans are on a diet on any given day.
29
We blink 25 times a minute.
51
The right lung takes in more air than the left.
30
On average, women have always lived longer than men.
195
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202