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What are the hormonal changes during adolescence?
lifestyle.howstuffworks.com/family/parenting/tweens-teens/hormonal-changes-during-adolescence.htm
What are the hormonal changes during adolescence? Learn about the hormonal changes during adolescence from this article.
Tropical Rainforest Guide: How Rainforests Work
science.howstuffworks.com/environmental/conservation/issues/rainforest.htm
Tropical rainforests are the most diverse ecosystems on Earth, and also the oldest. Today, tropical rainforests cover only 6 percent of the Earth's ground surface, but they are home to over half of the planet's plant and animal species.
How Ocean Currents Work
science.howstuffworks.com/environmental/earth/oceanography/ocean-current.htm
Ocean currents may be driven by tides, winds or differences in density. Learn how ocean currents affect marine transportation and nutrient cycling.
How the Fisker Karma Works
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/fisker-karma.htm
The Fisker Karma is a luxury plug-in hybrid car. Get history, details and specs on the Fisker Karma in this article.
10 Tips for Semi-pro Football Tryouts
entertainment.howstuffworks.com/sports/club-intramural/10-tips-for-semi-pro-football-tryouts.htm
Semi-pro football tryouts can be nerve-wracking experience for the football enthusiast. Learn 10 tips for semi-pro football tryouts at HowStuffWorks.
Does bar soap work better than liquid soap?
health.howstuffworks.com/skin-care/cleansing/products/bar-soap-liquid-soap.htm
Does bar soap work better than liquid soap? Find out if bar soap works better than liquid bar soap at HowStuffWorks.
Do cows pollute as much as cars?
animals.howstuffworks.com/mammals/methane-cow.htm
Cow flatulence produces the greenhouse gas methane, which is linked to global warming. Find out how scientists are working to reduce cow flatulence in livestock.
How the American Ballet Theatre Works
entertainment.howstuffworks.com/arts/theater/american-ballet-theatre.htm
The American Ballet Theatre is world renowned. Visit HowStuffWorks to learn all about the American Ballet Theatre.
9 Foods That Will Make You Live Forever.Almost
recipes.howstuffworks.com/9-foods-that-will-make-you-live-forever.htm
Are you looking for some foods that will make you live forever? Check out these 9 foods that will make you live forever.almost.
Can you test your fertility at home?
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/test-your-fertility-at-home.htm
Can you test your fertility at home? Visit Discovery Fit & Health to learn if you can test your fertility at home.