The cat brain weighs about 30g.
167
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Sex burns about 360 calories per hour.
860
One human hair can support 3 ounces.
191
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
Most elephants weigh less than a blue whale's tongue.
442
Fidgeting can burn about 350 calories a day.
201
A hummingbird weighs less than a penny.
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