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How Kin Selection Works
science.howstuffworks.com/life/evolution/kin-selection.htm
We're used to taking the phrase "survival of the fittest" to mean it's an "every man for himself" world. But some animals (like worker bees) sacrifice themselves to ensure their species lives on. Why would they do this?
How Quinoa Works
recipes.howstuffworks.com/quinoa.htm
Quinoa is a nutritional superstar that's a common substitute for rice. Why is quinoa so hot? Learn all about quinoa at HowStuffWorks.
Why would I upgrade to a synthetic motor oil?
auto.howstuffworks.com/synthetic-motor-oil.htm
Why would I upgrade to a synthetic motor oil? Learn about the pros and cons of synthetic motor oil.
7 Facts About Socrates, the Enigmatic Greek Street Philosopher
history.howstuffworks.com/historical-figures/socrates.htm
"The unexamined life," said Socrates, "is not worth living." So what was the life of this Athenian sage really like?
5 Farming Technologies That Changed the World
science.howstuffworks.com/environmental/green-science/5-farming-technologies-changed-world.htm
Farming technologies have allowed the world to be fed, even though most people no longer farm. Only 2 percent of Americans are farmers, versus 90 percent in the 1700s. Which tools and technologies have had the most impact on farming and why?
5 Futuristic Auto Repair Technologies
auto.howstuffworks.com/tech-transport/5-futuristic-auto-repair-technologies.htm
Will there be a need for the old-school mechanic's shop in the not-so-distant future? Learn about futuristic auto repair technology at HowStuffWorks.
Can You Guess the Athletic Brand From the Logo?
play.howstuffworks.com/quiz/can-you-guess-the-athletic-brand-from-the-logo
Brand enthusiasts, listen up! Are you ready for a very sporty challenge? We know you can name these very popular athletic brands just by looking at their logos. Dare to name them all? On your mark, get set, go!
Can You Answer These Basic Bible Questions Every Catholic Should Know?
play.howstuffworks.com/quiz/can-you-answer-these-basic-bible-questions-every-catholic-should-know
Calling all Catholics! Do you think you know your faith enough to dive deeper into its main guide of life -- the Bible? Put your knowledge to the test, and see if you can answer some of the most basic Bible questions we listed here. Godspeed!
Do You Know the Meaning of All of These International Road Signs?
play.howstuffworks.com/quiz/do-you-know-the-meaning-all-these-international-road-signs-learn
Stop! Yield! No Parking! If you can keep these signs straight, then this quiz is for you. Find out just how well you know the rules of the road... around the world!
Can You Identify This Restored Plane from an Image?
play.howstuffworks.com/quiz/can-you-identify-this-restored-plane-an-image
Rise from your grave! These knights of the skies could not rest. Can you recognize these grand old warbirds? Prove it with this quiz!