Most elephants weigh less than a blue whale's tongue.
442
The average person's skin weighs twice as much as their brain.
131
You burn more calories sleeping than you do watching television.
348
The cat brain weighs about 30g.
167
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62