The Basenji dog is the only dog that is not able to bark.
4
Yawns are more contagious among people with closer relationships.
163
In Hong Kong, a betrayed wife is legally allowed to kill her adulterous husband, but may only do so with her bare hands. (The husband's lover, on the other hand, may be killed in any manner desired.)
792
On average people fear spiders more than they do death.
447
There is a tiger named Kenny who is the only known tiger to have downs syndrome.
10
Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
33