Cats sleep for 70% of their lives.
8
Humans and dolphins are the only species that have sex for pleasure.
61
The lungfish can live out of water for three years in a state of suspended animation.
48
It's possible to lead a cow upstairs, but not downstairs.
50
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
Goldfish lose their color if they are kept in dim light or are placed in a body of running water, such as a stream.
12
Americans spend more than 5.4 billion dollars on their pets each year!
10
