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How can adding iron to the oceans slow global warming?
science.howstuffworks.com/environmental/green-science/iron-sulfate-slow-global-warming.htm
Scientists propose adding iron to the oceans to cut carbon dioxide levels and, in turn, decrease temperatures. See if adding iron to the oceans works.
Why is there an underground city beneath Beijing?
history.howstuffworks.com/historical-events/beijing-underground-city.htm
The Beijing underground city may sound like the stuff of legends, but it's a real place built to escape Soviets. Read about the Beijing underground city.
How often should you wash your hair?
health.howstuffworks.com/skin-care/scalp-care/tips/how-often-wash-hair.htm
How often should you wash your hair? Every day? Weekly? Read about how often to shampoo and wash your hair.
Billions of Brood X Cicadas Are About to Get Loud
animals.howstuffworks.com/insects/brood-x-cicadas.htm
And we mean really loud. Like up to 100 decibels loud. Get all the buzz on what's making these bug-eyed bugs return.
Afghanistan Fell Fast to the Taliban. What's Next for the Middle East?
people.howstuffworks.com/afghanistan-falls-taliban-news.htm
After 20 years of U.S. presence in Afghanistan, Taliban fighters swept through the country with lightning speed, taking control of the capital city Kabul on Sunday. What does the future hold for the people there?
The Highly Venomous Timber Rattlesnake Is an American Icon
animals.howstuffworks.com/snakes/timber-rattlesnake.htm
If you're looking for the venomous timber rattler, the U.S. is the place to be, as these bad boys are found in at least 27 states.
How much fluoride is too much?
health.howstuffworks.com/wellness/oral-care/products/how-much-fluoride.htm
How much fluoride is too much? Find out why there is so much debate about this ubiquitous substance -- and how much fluoride is too much.
All About the Hoop Snake: Separating Fact From Fiction
science.howstuffworks.com/science-vs-myth/strange-creatures/hoop-snake.htm
The hoop snake, a creature of legend, has captivated imaginations for generations with its alleged behavior. Said to grasp its tail in its mouth, forming a perfect hoop, this serpent supposedly rolls like a wheel at incredible speeds, chasing down its prey.
Elopement: First Choice or Last Resort?
lifestyle.howstuffworks.com/weddings/honeymoon-ideas/elopement.htm
More than one couple has felt the urge to run off and elope. See whether elopement should be your first choice or only your last resort.
Why Aren't There More Asian-Americans in Pro Team Sports?
entertainment.howstuffworks.com/where-are-asian-american-pro-athletes.htm
Cultural expectations - and stereotyping - explain the underrepresentation of Asian-American athletes in some sports. HowStuffWorks investigates.