Though it takes up only 21% of air, what element do we need to breathe?
Question 2 of 15
This largest, thickest nerve in the body travels from the lower back through the buttocks and into the leg. Add an "A" to its name and you have a painful lumbar disorder. What nerve is this?
Question 3 of 15
Also known as the Swiss mountain cat, what feline is named for the cigars its coat resembles?
Question 4 of 15
What metal element is the only liquid you can handle without getting wet (not that you would want to be touching it)?
Question 5 of 15
Until 1237, most of the world's emeralds came from Cleopatra's Mine in what country?
Question 6 of 15
A dog named Peanuts set a world record as the world's smallest living dog when he tipped the scales at just 18 oz. in 1988. What breed was he?
Question 7 of 15
What planet in our solar system has the most liquid water on its surface?
Question 8 of 15
Both Ford and Fiat bombed in Brazil, when they introduced different cars with the same name ... and name that is also the local slang for "small genitals." What car was this?
Question 9 of 15
In 2009, we learned that what gem is actually the third hardest substance in nature, behind wurtzite boron nitride and lonsdaleite?
Question 10 of 15
What sort of animal is a Clydesdale?
Question 11 of 15
Which country contains the world's hottest place, 'Daliol', where the average daily temperature is 94 degrees Fahrenheit?
Question 12 of 15
What hard igneous rock is made from quartz, mica and feldspar?
Question 13 of 15
Naturally enough, what rodent's name derives from the Greek for "lurker in holes"?
Question 14 of 15
Georges Cuvier described pachyderms as an order of mammals. Which of these animals did not belong?
Question 15 of 15
The words "the acre" are an anagram for what unit, used in the metric system for acres?
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