Most marine fish can survive in a tank filled with human blood. See more

Sex burns 360 calories per hour See more

Pearls melt in vinegar. See more

Turtles can breathe through their butts. See more

The vocabulary of the average person consists of 5,000 to 6,000 words. See more

The Netherlands has built 800 miles of massive dikes and sea walls to hold back the sea. See more

The shortest war in history was between Zanzibar and England in 1896. Zanzibar surrendered after 38 minutes. See more

A company, Warner Communications paid $28 million for the copyright to the song 'Happy Birthday'. See more

There are no clocks in Las Vegas casinos. See more