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Will eating collagen keep you young?
health.howstuffworks.com/skin-care/beauty/anti-aging/eating-collagen.htm
Eating collagen might not sound very appetizing, but will it prevent wrinkles? Find out if eating collagen will keep you young.
What are parabens?
health.howstuffworks.com/skin-care/beauty/skin-and-lifestyle/parabens.htm
Parabens are often found in everything from toothpaste to shampoo. Find out what are parabens, what parabens do and if parabens are safe.
Pink Quartz Meaning: A Look at the Real Love Stone
science.howstuffworks.com/environmental/earth/geology/rose-quartz.htm
This beautiful pink quartz is found in numerous places throughout the world and is thought to be associated with unconditional love.
Why Did Cars Have 'Suicide Doors' and Do They Still Exist?
auto.howstuffworks.com/suicide-doors.htm
The popular name for car doors that opened from the rear rather than the front is "suicide doors". Why are they called that, and do any cars have this feature?
Why You Want Your Kid's School Bus to Be Electric
auto.howstuffworks.com/fuel-efficiency/vehicles/electric-school-bus-news.htm
Electric school buses are a very, very good idea. They cut greenhouse emissions, for one, but there are several more reasons the U.S. should transition its massive diesel-fueled school bus fleet to electric.
Food Fermentation: How Microorganisms Make Food Delicious
recipes.howstuffworks.com/food-fermentation.htm
Our ancestors survived long winters because of fermented foods, but what health benefits do they have for modern humans?
5 Benefits of Beltless Engines
auto.howstuffworks.com/5-benefits-beltless-engines.htm
Can you name the benefits of having a beltless engine? Keep reading to learn more about cars and 5 Benefits of Beltless Engines.
5 Most Essential Elements in Mineral Makeup
lifestyle.howstuffworks.com/style/makeup/face/5-most-essential-elements-in-mineral-makeup.htm
Do you know the essential elements in mineral makeup that give you such great results? See these five most essential elements in mineral makeup to find out.
How Anti-wrinkle Serums Work
health.howstuffworks.com/wellness/spa-health/anti-wrinkle-serum.htm
Are you wondering how anti-wrinkle serums work? Find out all about anti-wrinkle serums in this article.
How does public transportation help the environment?
science.howstuffworks.com/transport/engines-equipment/public-transportation-help-environment.htm
In January 2004, the citizens of Milan, Italy, were preparing for a strike that would shut down all public transportation. Since an estimated 28 percent of greater Milan's 3 million populace relied heavily on public transit, the strike meant gridlock for most of the city.