It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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 giraffe's kick is so powerful that it can decapitate a lion.
216
Cats recognise the voice of their owner, but never evolved to care.
22
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Drivers kill more deer than hunters do.
660