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
A scorpion can hold its breath for up to 6 days.
19
Parrot parents "name" their children with a signature call.
112
Dogs have been man's pet for over 14,000 years.
224
Denmark has twice as many pigs as there are people.
66
Sharks, like other fish, have their reproductive organs in their chests.
248
