Human Population is 8 billion, but there are an estimated 10 quintillion ants alive at any given time.

#1

#2

The sound of a crackling fire is not caused by the burning wood, but by the expanding and contracting of water vapor pockets within the wood.

#3

Octopuses have three hearts! Two hearts pump blood to the gills, and a third heart pumps blood to the rest of the body.

#4

In the 18th and 19th centuries, ketchup was sold as medicine, believed to treat ailments like diarrhea and indigestion.

#5

Cleopatra, often thought to be Egyptian, was of Greek descent; her family ruled Egypt for generations, yet they were not ethnically Egyptian.

#6

Mammatus clouds, resembling hanging bubbles under clouds, are rare and are sometimes mistaken for UFOs.