Condoms were originally made of animal intestines or linen.
347
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Alligators can live up to 100 years.
337
Whales and dolphins can't taste anything other than salt.
11
A 42-foot sperm whale has about 7 tons of oil in it.
209
Cats sleep for 70% of their lives.
8
Denmark has twice as many pigs as there are people.
66