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How LifeStraw Works
science.howstuffworks.com/environmental/green-tech/remediation/lifestraw.htm
Many of us take clean water for granted, but hundreds of millions of people have no access to it. Luckily, technologies like LifeStraw can help make water safer for individuals and families who desperately need it.
How Color Blindness Works
health.howstuffworks.com/human-body/systems/eye/colorblindness.htm
Color blindness is a condition that affects the way in which people see certain colors. Learn about color blindness and causes of color blindness.
How the American Dream Works
people.howstuffworks.com/american-dream.htm
What exactly is the American dream? And how do you know if you're living it? Read about the American dream at HowStuffWorks.
How the French Revolution Worked
history.howstuffworks.com/historical-events/french-revolution.htm
The French Revolution brought the end to the monarchy -- and many lives. Start with the Old Regime and follow the French Revolution to the guillotine.
A Guide to Supplements for Seniors
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/supplements-seniors.htm
Supplements for seniors can help to control hormones and even protect against cancer. Learn about the pros and cons of supplements for seniors.
Japan Surrenders and World War II Ends: June 1945-September 1945
history.howstuffworks.com/world-war-ii/japan-surrenders-world-war-2-ends.htm
This World War II timeline covers events from June to September 1945. Follow the events that led to Japan's surrender and the end of World War II.
How AIDS Works
science.howstuffworks.com/life/cellular-microscopic/aids.htm
HIV continues to be a major global public health issue, having claimed more than 35 million lives so far.
How Google Docs Works
computer.howstuffworks.com/internet/basics/google-docs.htm
Google Docs allows users to creat and edit work documents online. Learn more about Google Docs at HowStuffWorks.
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
How College Admissions Tests Work
money.howstuffworks.com/personal-finance/college-planning/admissions/college-admissions-test.htm
College admissions tests, such as the SAT and ACT are explained in this article from HowStuffWorks. Learn about college admissions tests.