Domestic cats hate lemons or other citrus scents.
33
In the last 4,000 years, no new animals have been domesticated.
25
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
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
A rodent's teeth never stop growing.
16
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5