Cats and dogs can hear ultrasound.
350
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
Condoms were originally made of animal intestines or linen.
347