The average person's skin weighs twice as much as their brain.
131
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
You burn 26 calories in a one minute kiss.
605
A hummingbird weighs less than a penny.
1k
By weight, Bone is five times stronger than steel.
417
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