The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
One human hair can support 3 ounces.
191
The cat brain weighs about 30g.
167
Sex burns about 360 calories per hour.
860
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Fidgeting can burn about 350 calories a day.
201
The earth is approx. 6,588,000,000,000,000,000 tons.
175