The symbol for this element is PB
What is Lead?
In 1974, this daredevil parachuted to the bottom of the Snake River Canyon; that was Plan B
Who is Evel Knievel?
The central nervous system of the body consists of the spinal cord and this organ
What is the brain?
This Austrian physicists name is now synonymous with a measurement of the speed of sound
Who is Ernst Mach?
On August 10, 1966, NASA launched a probe to take high-resolution photos of landing sites here
What is the moon?
This element makes up about 78% of normal dry air by volume
This entertainer earned the nickname "The Handcuff King" for his ability to escape manacles
Who is Harry Houdini?
These teeth are named for their resemblance to a dog's sharp teeth
What are canines?
This snug-fitting one-piece garment used by dancers was invented by, and named for, a French aerialist
What is a leotard?
A hydroelectric power plant at this US Landmark opened in 1887
What is Niagara Falls?
Term for a substance that modifies and speeds up a chemical reaction without itself being affected
What is a catalyst?
In 1926, Gertrude Ederle swam this in 14.5 hours, breaking the men's record by two hours
What is the English Channel?
The system inside these organs is commonly called the "bronchial tree"
What are the lungs?
This disease's name is from the Italian word for "bad air"; it was first thought to be cause by foul swamp air, not mosquitos
What is Malaria?
This video-sharing website founded in 2005 was banned in Thailand, Turkey, Pakistan, and Iran
What is YouTube?
Usually colorless, this liquid is the simplest Oxygen Hydride
What is water?
Swiss psychiatrist Bertrand Piccard and British pilot Brian Jones, completed the first non-stop flight around the world in 1999, traveling for 19 days, 21 hours, and 55 minutes in one of these
What is a hot-air balloon?
It's the medical name for the thighbone, the longest bone in the body
What is the femur?
Used to foretell the future, this game's name is derived from the French and German words for "yes"
What is the Ouiji Board?
The name of this device was reportedly inspired by a line from 2001: A Space Odyssey
What is the iPod?
The process by which neutral atoms become electrically charged is called this
What is ionization?
He crossed the Atlantic on RA II to prove the ancient Egyptians could have sailed to America
Who is Thor Heyerdahl?
The stapes, the smallest bone in the body, is located in this organ
What is the ear?
First launched on October 4, 1957, its name is Russian for "fellow traveller"
What is Sputnik?
Suggestions on what to call this device ranged from Farscope to Telebaird
What is the television?