The crease under your buttocks is called the gluteal fold.

Sunlight takes about 8 minutes to reach the Earth. If sun explodes, we will not know about it for 8 minutes.

Capers are pickled buds of perennial plant called caper. Caper buds flower and produce a fruit called a caper berry which also can be pickled.

Whale milk is one of the highest-fat milks, containing up to 50% fat. It is not used for human consumption.

David Attenborough, the face and voice of British natural history programmes does not own any pets.

Mosquitoes mate in about 10 seconds; male pigs' orgasm can last 30 minutes.

Hyenas have the strongest jaws among all animals.