Condoms were originally made of animal intestines or linen.
347
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
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
A dairy cow can produce more milk when listening to music.
446
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
The elephant brain weighs about 6,000g.
274
A lion in the wild usually makes no more than twenty kills a year.
186