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Why are we violent?
science.howstuffworks.com/life/why-are-we-violent.htm
Why are we violent? Is it something we learn, or are people violent at birth? Find out why we are violent at Discovery Health.
How Water-powered Clocks Work
science.howstuffworks.com/environmental/green-tech/sustainable/water-powered-clock.htm
Water-powered clocks are explained in this article. Learn about water-powered clocks.
20 Group Costume Ideas for Halloween
lifestyle.howstuffworks.com/style/tips-advice/group-costume-ideas.htm
Halloween is around the corner, and it's time to brainstorm the best group costume ideas for you and your friends. Whether you're going to a Halloween party, trick-or-treating or entering a costume contest, the key to success is creativity, coordination and a dash of humor.
How Saber-tooth Cats Worked
science.howstuffworks.com/environmental/earth/geology/saber-tooth-cat.htm
Saber-tooth cats are perhaps the most well-known extinct felines. Learn about saber-tooth cats and the behavior patterns of saber-tooth cats.
How Bioarchaeology Works
science.howstuffworks.com/environmental/earth/archaeology/bioarchaeology.htm
Archaeologists dig up and study the material remains of human civilizations. Bioarchaeologists do the same thing, except they focus on the remains of, well, us. What's the big deal about old bones and teeth?
The Big Dinosaur Debate: Is It an Apatosaurus or Brontosaurus?
animals.howstuffworks.com/dinosaurs/apatosaurus.htm
Apatosaurus was a sauropod of spectacular proportions. But there's a debate raging for decades about whether its genus should cancel out the Brontosaurus.
Did dinosaurs have feathers?
science.howstuffworks.com/environmental/earth/geology/dinosaur-feather.htm
Did dinosaurs have feathers? Some evidence found on fossils suggest that at least some kinds did. Find out did dinosaurs have feathers?
Tyrannosaurus Rex Was the Tyrant Lizard King
animals.howstuffworks.com/dinosaurs/tyrannosaurus.htm
Tyrannosaurus rex, one of the fiercest meat-eaters ever, is the animal that probably springs to mind when most of us hear the word "dinosaur."
The Real Dilophosaurus Makes the 'Jurassic Park' Version Look Tame
animals.howstuffworks.com/dinosaurs/dilophosaurus.htm
Perhaps no other beast has been more wildly mischaracterized in popular culture than the crested predator Dilophosaurus.
Biofuels vs. Fossil Fuels
auto.howstuffworks.com/fuel-efficiency/biofuels/biofuel-fossil-fuel.htm
What's the difference between biofuels and fossil fuels? Keep reading to see how biofuels compare to fossil fuels.