A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
One human hair can support 3 ounces.
191
Sex burns about 360 calories per hour.
860
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
A hummingbird weighs less than a penny.
1k
The cat brain weighs about 30g.
167
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
Fidgeting can burn about 350 calories a day.
201