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The Biofuel Quiz
play.howstuffworks.com/quiz/biofuel-quiz
What do vegetable oil, corn and salt water have in common? They're all potential fuel sources for our cars. See how much you know about the next generation of biofuels in our Biofuel Quiz.
Pigskins and Promos: The Super Bowl Commercials Quiz
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Some of the most famous commercials of all time have appeared during the Super Bowl. How much do you know about these pricey marketing ploys? Take this quiz to find out.
How Some Cities Prepare to Withstand Climate Change
science.howstuffworks.com/environmental/green-science/cities-withstand-global-warming.htm
Rising sea levels, increased flood and extreme heat are all signs of climate change. Cities are trying some innovate strategies to cope with and mitigate these events.
How Concert Tours Work
entertainment.howstuffworks.com/concert-tour.htm
Are you trying to plan a concert tour? Check out HowStuffWorks to learn about how concert tours work.
10 Cretaceous Animals That Weren't Dinosaurs
animals.howstuffworks.com/animal-facts/10-cretaceous-animals-that-werent-dinosaurs.htm
The dinos hog all the Cretaceous headlines. Do you have any idea what else scurried, hopped and otherwise cruised around Earth before the K-T mass extinction?
The Largest Desert in the World Isn't the Sahara
science.howstuffworks.com/environmental/earth/geology/largest-desert-in-world.htm
If you think the largest desert in the world is hot and sandy, think again. These 10 deserts spanning the globe are massive, but they're not all sunbaked.
Scientists Spot Light From Behind a Black Hole for the First Time Ever
science.howstuffworks.com/light-behind-black-hole-news.htm
Scientists have observed flashes of X-rays coming from behind a supermassive black hole, consistent with Albert Einstein's prediction that extremely large objects can bend light.
The Ultimate Boy Scouts Quiz
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In an era when parents are desperate to find safe and nurturing activities for their kids, organizations like the Boy Scouts of America are really thriving. With wholesome activities such as hiking and camping, and an emphasis on honesty and community service, scouting provides an excellent model for a healthy childhood. This quintessentially American fraternity, however, wasn't actually developed in the U.S. Take this quiz to learn more about the Boy Scouts.
How can a telescope see through time?
science.howstuffworks.com/telescope-see-through-time.htm
Light travels pretty rapidly, but when it comes to faraway galaxies, that light takes a while to reach our telescopes. In fact, the light you see might actually be from billions of years ago.
Livin' on a Prayer: The Bon Jovi Quiz
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In three decades in the biz, Bon Jovi went from big hair and crazy antics to more mellow adult-oriented tunes and a grown-up style. Test your knowledge of the band's music, members and greatest moments with our quiz!