The word desert has its roots in the other desert. The first one is as in "don't desert me", the second is as in "the great sandy desert."

The word desert has its roots in the other desert. The first one is as in "don't desert me", the second is as in "the great sandy desert."

Adélie penguins employ yawning as part of their courtship ritual

Adélie penguins employ yawning as part of their courtship ritual

If you put all the shoes in the world end to end, it would circle the earth at the equator 7 times!

If you put all the shoes in the world end to end, it would circle the earth at the equator 7 times!

An average-size aardvark weighs about 150 pounds

An average-size aardvark weighs about 150 pounds

The largest crater that can be seen on the Moon is called Bailly, or the "fields of ruin." It covers an area of about 26,000 square miles, about the size of West Virginia, and is over three times the size of Wales

The largest crater that can be seen on the Moon is called Bailly, or the "fields of ruin." It covers an area of about 26,000 square miles, about the size of West Virginia, and is over three times the size of Wales

The first American-built West Coast lighthouse was that of Alcatraz Lighthouse in 1854

The first American-built West Coast lighthouse was that of Alcatraz Lighthouse in 1854

The only member of the R&B group ZZ Top that did not have a beard, was named Frank Beard.

The only member of the R&B group ZZ Top that did not have a beard, was named Frank Beard.

The tails of comets generally point away from the Sun whether the comet is approaching the sun or receding.

The tails of comets generally point away from the Sun whether the comet is approaching the sun or receding.

The Hawaiian alphabet only has 12 letters

The Hawaiian alphabet only has 12 letters

The driving test was invented in France. In 1893, drivers of all self-propelled vehicles had to undergo an exam that included driving ability and vehicle repair

The driving test was invented in France. In 1893, drivers of all self-propelled vehicles had to undergo an exam that included driving ability and vehicle repair