It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6