Jellyfish as a species are actually older than dinosaurs and sharks.
383
Sharks, like other fish, have their reproductive organs in their chests.
248
The Caspian Sea is also classed as the world's largest lake.
52
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Water is actually naturally blue.
48
Two dogs were among the Titanic survivors.
262
The Titanic is about as long as the Empire State building is tall.
174