You burn more calories sleeping than you do watching television.
348
A hummingbird weighs less than a penny.
1k
One human hair can support 3 ounces.
191
By weight, Bone is five times stronger than steel.
417
The elephant brain weighs about 6,000g.
274
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
The earth is approx. 6,588,000,000,000,000,000 tons.
175