A hummingbird weighs less than a penny.
1k
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The average person's skin weighs twice as much as their brain.
131
Dieters who sleep more take off more fat that those who sleep less.
159
One human hair can support 3 ounces.
191
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
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
The cat brain weighs about 30g.
167