The cat brain weighs about 30g.
167
The elephant brain weighs about 6,000g.
274
By weight, Bone is five times stronger than steel.
417
Most elephants weigh less than a blue whale's tongue.
442
Sex burns about 360 calories per hour.
860
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66