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
The cat brain weighs about 30g.
167
Sex burns about 360 calories per hour.
860
You burn 26 calories in a one minute kiss.
605
Fidgeting can burn about 350 calories a day.
201
One human hair can support 3 ounces.
191
Dolly Dimples, a 555 lbs. woman, lost 443 lbs in one year by eating nothing but baby food.
16