The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The elephant brain weighs about 6,000g.
274
You burn 26 calories in a one minute kiss.
605
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Most elephants weigh less than a blue whale's tongue.
442
Sex burns about 360 calories per hour.
860
The earth is approx. 6,588,000,000,000,000,000 tons.
175
