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Catholic Lingo Quiz
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Do you know the difference between the Apostles' Creed and the Nicene Creed? Can you rattle off the seven sacraments and explain how to pray the rosary? If the answer is yes, then take this Catholic lingo quiz and make Sister Mary Josephine proud!
What Is Genocide, and Is Russia Committing It in Ukraine?
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U.S. President Joe Biden accused Vladimir Putin of committing genocide in Ukraine. But who really determines whether a genocide is occurring, and how?
Can You Pass a Basic Chemistry Test?
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Do you know the periodic table from Argon to Zirconium? Test your chemistry knowledge with this basic quiz! It'll be a gas!
Prunes: They're Not Just For Pooping
recipes.howstuffworks.com/prunes.htm
Sure, eating prunes can help you have regular bowel movements, but these sweet dried plums can also help you build - and maintain - strong bones.
How Special Relativity Works
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Special relativity deals in phenomena that don't agree with our historical or commonsense views of how the universe works. In fact, many of the theory's assertions almost appear ludicrous.
Is extinction ever a good thing?
science.howstuffworks.com/life/evolution/is-extinction-ever-good-thing.htm
If dinosaurs hadn't gone extinct, you wouldn't exist. Extinction may seem inherently bad, but sometimes the death of a species encourages new life.
Only a Black Hole Could Make a Black Hole That Massive!
science.howstuffworks.com/only-black-hole-could-make-black-hole-that-massive.htm
Black holes may merge to produce second-generation black holes. Learn more about black holes at HowStuffWorks.
Scientists Solve the Weird Physics of How Bats Land Upside Down
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How do bats land upside down? A new study solves the physics. Learn more in this HowStuffWorks Now article.
98% of adults can't pass this elementary school science quiz! Can you?
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From the periodic table to inventors and their inventions, how well do you remember your science class lessons? Do you think you could pass general science? Let's find out with this quiz!
How Rocket Engines Work
science.howstuffworks.com/rocket.htm
Rocket engines harness the energy to get a spaceship off the ground. Learn about solid-fuel rocket engines, liquid-propellant rockets and the future of rocket engines.