The elephant brain weighs about 6,000g.
274
A hummingbird weighs less than a penny.
1k
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
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
You burn 26 calories in a one minute kiss.
605
By weight, Bone is five times stronger than steel.
417
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
One human hair can support 3 ounces.
191