On which continent is the Sahara Desert?
What is the speed of light in a vacuum, in kilometres per second, rounded to the nearest thousand?
Which naturalist wrote On the Origin of Species?
What is the atomic number of carbon?
How many planets are in the Solar System?
Which physicist discovered radium and polonium with her husband?
Which US state has the city of Miami?
How many bones are in the adult human body?
Which chemical element has the symbol W?
Which chemical element has the symbol Ag?
Which chemical element has the symbol Cu?
What is the capital city of Pakistan?
Which chemical element has the symbol K?
What is the capital city of Canada?
What is the title of the first video ever uploaded to YouTube?
How many bits are in a byte?
In what year did Linus Torvalds first release the Linux kernel?
In what year did World War II end?
In what year did the New Horizons spacecraft fly by Pluto?
How many humans walked on the Moon during the Apollo program?
In what year was the Woodstock music festival held?
In what year was the Korean War armistice signed?
In what year was the Treaty of Versailles signed?