One human hair can support 3 ounces.
191
You burn more calories sleeping than you do watching television.
348
By weight, Bone is five times stronger than steel.
417
Sex burns about 360 calories per hour.
860
A hummingbird weighs less than a penny.
1k
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Most elephants weigh less than a blue whale's tongue.
442
The cat brain weighs about 30g.
167