George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
Cats and dogs can hear ultrasound.
350
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
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
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Domestic pigs average a top speed of about 11 miles per hour.
182
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82