The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
A domestic cat can sprint at about 31 miles per hour.
274
When cats are happy, they may squeeze their eyes shut.
10
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17