The Sphinx is a famous ancient monument located in Giza, Egypt, near the Great Pyramids. It’s a large limestone statue in the shape of a recumbent sphinx (a mythical creature with a lion’s body and a human head). The raison d'etre of this statue is still the topic of much debate.

Bill Gates co-founded Microsoft with Paul Allen in 1975. Microsoft went on to become one of the world's most valuable companies, and Gates became one of the wealthiest people in the world largely due to Microsoft's success.

A camel's hump does not store water as is commonly believed. The hump actually stores fat, which can be converted to water and energy when sustenance is not available. A camel can survive up to two weeks without water due to this adaptation.

The Sahara Desert, located in northern Africa, is the world's largest hot desert. This massive desert, nearly as large as the United States, experiences some of the highest temperatures ever recorded on earth.

According to the Oxford English Dictionary, the word "set" has the most definitions of any English word, with 430 senses listed for the verb alone. It is derived from the Old English word "settan," which means "to cause to sit."

"Cats" is based on T.S. Eliot's 1939 poetry collection "Old Possum's Book of Practical Cats." The musical premiered in London in 1981 and became one of the longest-running shows in both the West End and Broadway.

Olive Oyl is a character created by E.C. Segar for his comic strip Thimble Theater (later renamed Popeye). She is the longtime love interest of the title character, Popeye the sailor.

Photosynthesis is the process plants and other organisms use to convert light energy into chemical energy that can later be released to fuel the organism's activities. This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water.

Estelle Leonard is Joey's eccentric acting agent in "Friends". She is known for her chain-smoking habit and raspy voice. Despite her blunt manner, she cares about Joey's career and helps him land several acting gigs throughout the series.

George R. R. Martin started publishing the "A Song of Ice and Fire" series in 1996, which later formed the basis for the hugely popular "Game of Thrones" television series on HBO.