Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The cat brain weighs about 30g.
167
The largest earthworm on record was found in South Africa and measured 22 feet.
151
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1