Three tiny bones called ossicles are nicknamed the hammer, anvil and stirrup. And they are indispensable. To what?
Question 2 of 10
If you're like most people, what can't you do with your eyes open?
Question 3 of 10
What element shares its name with a planet ? even though we don't think that element is found anywhere on that planet?
Question 4 of 10
C is the chemical symbol for which element with the atomic number 6?
Question 5 of 10
What black and red butterfly migrates to Canada from Mexico, using internal "compasses" to track its position relative to the sun?
Question 6 of 10
What theory proposes that Earth's landmasses were once connected and drifted apart?
Question 7 of 10
What reduces the efficiency of machines, because it turns kinetic energy into heat?
Question 8 of 10
I invented the ice calorimeter, a filter pump and the zinc-carbon electric cell, but my name is attached to one of Michael Faraday's inventions, a gas burner that produces a steady, smokeless flame. Who am I?
Question 9 of 10
What continent is home to a flightless bird called the emu?
Question 10 of 10
At Queens University in Ontario, Barrie Frost somehow got what bird on a treadmill, where its characteristic head-bobbing stopped?
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"What is 70 minus 29?
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"Which country lies directly to the south of Egypt?"