The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
A hummingbird weighs less than a penny.
1k
You burn more calories sleeping than you do watching television.
348
Sex burns about 360 calories per hour.
860
The cat brain weighs about 30g.
167
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
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