Sloths take two weeks to digest their food.
243
Chanel Tapper, a student from California, USA, has the world's longest tongue, measuring 9.75 cm (3.8 inches), from tip to top lip!
26
Redheads require up to 20% more anesthesia to be knocked out.
112
When you shave a guinea pig it looks like a little hippo.
19
You can't tickle yourself.
29