A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Two dogs were among the Titanic survivors.
262
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
The oldest recorded elephant lived for 82 years.
213
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23