It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Cats and dogs can hear ultrasound.
350