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Which genetic factors affect skin?
health.howstuffworks.com/skin-care/information/health-factors/genetic-factors-affect-skin.htm
Which genetic factors affect skin? Visit HowStuffWorks to learn which genetic factors affect skin.
10 Grossest Things in Your Body Right Now
health.howstuffworks.com/human-body/parts/10-grossest-things-body.htm
Human bodies are wonderlands of grossness. You might be shocked to know some of the nastiest things your body is harboring right this minute.
Giving the Gift of Health 101
recipes.howstuffworks.com/giving-the-gift-of-health-101.htm
Giving the gift of health is a great way to spend your holiday season. Learn about giving the gift of health in this article at HowStuffWorks.
Phthalates Are Everywhere and Scientists Are Worried
health.howstuffworks.com/wellness/phthalates.htm
Phthalates are chemicals that make plastics stronger and they're in just about everything you touch. But are they harmful to your health?
Organ Function Quiz
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Whether you're an amateur anatomy buff or a full-fledged medical professional, we challenge you to test your knowledge with this organ function quiz ... if you have the guts.
Sidewinder Snake Navigates Loose Sand With Special Scales
animals.howstuffworks.com/snakes/sidewinder-snake.htm
Let's talk about one of the coolest movers and shakers in the desert world: the sidewinder snake. Known for its unique way of getting around, this snake has mastered the art of slithering across scorching desert sands in the hottest places on Earth.
Does the U.S. Require Citizens to Carry ID?
people.howstuffworks.com/does-us-require-citizens-carry-id.htm
The United States doesn't have a national ID, but are U.S. citizens required to carry identification? HowStuffWorks investigates.
The Secret South Carolina 'Monkey Farm' That Helped Develop the Polio Vaccine
history.howstuffworks.com/historical-events/south-carolina-monkey-farm-helped-defeat-polio.htm
A little-known research facility in South Carolina housed thousands of monkeys and was key to developing the polio vaccine.
How Helicopters Work
science.howstuffworks.com/transport/flight/modern/helicopter.htm
Believe it or not, the marvel we know as the helicopter began as a Chinese top consisting of a shaft - a stick - adorned with feathers on one end.
In Vitro Fertilization Overview
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/in-vitro-fertilization.htm
In vitro fertilization is the most common type of assisted reproductive technology. Learn more about how the vitro fertilization process works.