A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
202
Sniffologists have the job of sniffing armpits.
4
There is a family with a genetic condition that makes their skin blue, who have been isolated in rural Kentucky for generations.
34
Lobsters have blue blood.
476
Your thumb is about the same size as your nose.
124
Sloths take two weeks to digest their food.
243
