One out of 20 people have an extra rib.
66
Children are poisoned most frequently by eating harmful plants.
13
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
Those who get out of bed by 7am are more likely to be thinner and happier.
20
More people have a phobia of frogs than rats.
41
Dieters who sleep more take off more fat that those who sleep less.
159
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202