Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Nicole Kidman is scared of butterflies.
65
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Sloths take two weeks to digest their food.
243
There's a rare breed of pig that looks like a sheep.
14
Two dogs were among the Titanic survivors.
262
A scorpion can hold its breath for up to 6 days.
19