Domestic cats usually weigh around 4 kilograms (8 lb 13 oz) to 5 kilograms (11 lb 0 oz).

Warner Brothers Corset Company created the bra cup sizing system, which is now used universally used by manufacturers.

A perfect number is a number whose divisors add up to itself such as 28: 1+2+4+7+14=28.

AMAZING FACTS