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Your search for "tertiary" returned 40 results
Dinosaur Extinction
animals.howstuffworks.com/dinosaurs/dinosaur-extinction.htm
Dinosaurs went extinct at the end of the Cretaceous Era. Learn the theories that try to explain what happened to the dinosaurs and why they went extinct.
What Do Rainbows Mean?
science.howstuffworks.com/nature/climate-weather/atmospheric/10-rainbow-myths.htm
A rainbow's ability to bring joy to just about anyone is probably why they're painted on kids' cheeks at fairs. But, what do rainbows mean? In this article, we'll look at rainbow symbolism from around the world.
What Colors Make Brown? And How Do You Make Different Shades?
entertainment.howstuffworks.com/arts/artwork/what-colors-make-brown.htm
Looking for a special trick to understanding what colors make brown? HowStuffWorks breaks down color combinations to help you get the perfect shade of brown.
Are you depressed or just sad?: The Major Depressive Disorder Quiz
play.howstuffworks.com/quiz/major-depressive-disorder-quiz
There are a lot of misconceptions regarding sadness and major depressive disorder (MDD). Knowing the differences, causes and treatments can lead to a better quality of life for you or someone you know. So how much do you really understand about the condition?
How Jamaican Traditions Work
people.howstuffworks.com/culture-traditions/national-traditions/jamaican-tradition.htm
What kind of traditions are celebrated in Jamaica? Read about Jamaican traditions at HowStuffWorks.
What's Oil Shale?
science.howstuffworks.com/environmental/energy/oil-shale.htm
Oil shale is just one unconventional oil source that's being researched. Learn how oil shale could save the day when — and if — we hit peak oil in the U.S.
How do urban waste water systems work?
home.howstuffworks.com/home-improvement/plumbing/urban-waste-water-systems-work.htm
How do urban waste water systems work? Learn how urban waste water treatment facilities work in this article.
Can You Pass a Graphic Design Certificate Exam?
play.howstuffworks.com/quiz/can-you-pass-a-graphic-design-certificate-exam
If you love to create logos, images and designs for fun, we've got the perfect quiz for you: a graphic design quiz that will test your knowledge on everything about colors, shapes, lines and other elements of design. See how well you do by taking this quiz now!
What is the problem with MTBE in gasoline?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/question347.htm
Why does gasoline contain MTBE, and what is the problem with it?
What the Heck Is in Movie Theater Popcorn?
health.howstuffworks.com/wellness/food-nutrition/facts/what-heck-is-in-movie-theater-popcorn.htm
What is actually in movie theater popcorn? HowStuffWorks grabs a tub and digs in.