Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The elephant brain weighs about 6,000g.
274
The oldest recorded elephant lived for 82 years.
213
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205