Dieters who sleep more take off more fat that those who sleep less.
159
The elephant brain weighs about 6,000g.
274
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
A hummingbird weighs less than a penny.
1k
By weight, Bone is five times stronger than steel.
417
Sex burns about 360 calories per hour.
860
One human hair can support 3 ounces.
191