The elephant brain weighs about 6,000g.
274
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
Squirrels forget where they hide about half of their nuts.
698
An elephant's tooth can weigh as much as 12 pounds.
24
An ant brain has about 250 000 brain cells. A human brain has 10,000 million so a colony of 40,000 ants has collectively the same size brain as a human.
118
Mosquitoes don't just bite you, they also pee on you.
11