Fun Fact Friday (#50)

Fun Fact Friday is a meme hosted by Lettora at I’m Booked! If you’d like to join and do your own Fun Fact Friday, just ask! At I’m Booked! Every week we’ll give you five new, fun facts.

 

This week’s five facts:

1.  Most people dream five times a night.

2.  A group of giraffes is called a tower.

3.  Scientists have figured out how to "unboil" an egg.

4.  Australia is an island surrounded by more than 8,000 smaller islands.

5.  In 5,000 years of human history, only one disease has been eradicated: smallpox.