A domestic cat can sprint at about 31 miles per hour.
274
The word "impossible" dropped in use by 50% over the course of the 20th century
5
By weight, Bone is five times stronger than steel.
417
There's a rare breed of pig that looks like a sheep.
14
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Iron weighs more after it rusts.
16
The word "listen" contains the same letters as "silent."
135