The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Female kangaroos have three vaginas.
2
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17