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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.
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.
Top 10 Radical Parenting Methods
health.howstuffworks.com/pregnancy-and-parenting/10-radical-parenting-methods.htm
Parenting is a tough job but a lot of people are doing it. Learn more about the different radical parenting methods in this article.
5 Rare Neurological Conditions
health.howstuffworks.com/mental-health/neurological-conditions/5-rare-neurological-conditions.htm
Neurological conditions include Parkinson's disease, muscular dystrophy and cerebral palsy. But do you know the rare neurological conditions? Find out here.
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.
How Witchcraft Works
people.howstuffworks.com/witchcraft.htm
Witchcraft and belief in magic have been around since the beginning of time. Learn the history of witchcraft, modern witchcraft, Wicca and Wiccan rituals.