You burn more calories sleeping than you do watching television.
348
A hummingbird weighs less than a penny.
1k
The average person's skin weighs twice as much as their brain.
131
The elephant brain weighs about 6,000g.
274
You burn 26 calories in a one minute kiss.
605
Sex burns about 360 calories per hour.
860
The earth is approx. 6,588,000,000,000,000,000 tons.
175