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
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Condoms were originally made of animal intestines or linen.
347
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12