The average person's skin weighs twice as much as their brain.
131
Fidgeting can burn about 350 calories a day.
201
A hummingbird weighs less than a penny.
1k
Most elephants weigh less than a blue whale's tongue.
442
You burn 26 calories in a one minute kiss.
605
Dieters who sleep more take off more fat that those who sleep less.
159
Sex burns about 360 calories per hour.
860