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The Real Reason Turtles Have Shells (Hint, It's Not for Protection)
animals.howstuffworks.com/reptiles/real-reason-turtles-have-shells-hint-its-not-protection.htm
Why do turtles really have shells? HowStuffWorks Now looks at how turtle shells evolved, with the help of a new study.
The Mastodon Boneyard That Stole Thomas Jefferson's Heart
animals.howstuffworks.com/extinct-animals/mastodon-boneyard-that-stole-thomas-jeffersons-heart.htm
Massive mastodons roamed lower Kentucky during the last ice age. HowStuffWorks takes a look at the natural and presidential history of the region.
Were the Flintstones Neanderthals?
entertainment.howstuffworks.com/were-flintstones-neanderthals.htm
HowStuffWorks discovers a relationship between Neanderthals and America's favorite cartoon family of the 1960s.
Neanderthals Were Actually Prehistoric Picassos
science.howstuffworks.com/life/evolution/neanderthals-were-actually-prehistoric-picassos.htm
New research shows that homo sapiens weren't the first folks to decorate their caves with artwork. Neanderthals actually did it thousands of years earlier.
The Rockin' State Fossils Quiz
science.howstuffworks.com/environmental/earth/geology/state-fossils-quiz.htm
One of America's national treasures is its diverse and bountiful fossil record. Take our U.S. states fossils quiz to learn more about fossils.
How the Movie Box Office Works
entertainment.howstuffworks.com/movie-box-office.htm
Perception is everything in Hollywood, which is why the industry keeps such tight control over box office numbers. But what do those numbers really mean, and what's the point of inflating them?
How Deep Impact Works
science.howstuffworks.com/dictionary/astronomy-terms/deep-impact.htm
How do scientists find details about the early days of our solar system? One way is to investigate comets. Find out how the Deep Impact spacecraft fired an impactor into Comet Tempel 1 to get some answers.
Which of These Animals Does Not Belong With the Others?
play.howstuffworks.com/quiz/which-of-these-animals-does-not-belong-with-the-others
Millions of animals exist in the world. Reptiles, mammals, fish and insects all coexist with us. How are they alike? How are they different? Take our quiz, and see if you know the answers!
Can You Crush This General Knowledge Quiz?
play.howstuffworks.com/quiz/99-people-cant-crush-this-general-knowledge-quiz-can-you
From classic films to literature to American history, how well do you know basic trivia? Test your knowledge and perhaps learn something new with this general knowledge quiz!
Science vs. Monster Movies Quiz: Tell Fact from Fiction!
science.howstuffworks.com/science-vs-myth/strange-creatures/monster-science-quiz.htm
This HowStuffWorks quiz will grill you on alien jaw mechanics, Godzilla's dinosaurian ties and the unexpected downside of invisibility.