A hummingbird weighs less than a penny.
1k
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The average person's skin weighs twice as much as their brain.
131
You burn more calories sleeping than you do watching television.
348
Dieters who sleep more take off more fat that those who sleep less.
159
The elephant brain weighs about 6,000g.
274
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