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What Does 'BPA Free' Mean and Why Does It Matter?
science.howstuffworks.com/environmental/green-science/bpa.htm
The chemical BPA (bisphenol-a) often found in consumer goods, may be linked to human health problems. Learn more about BPA in polycarbonate plastics.
What's a walk score?
science.howstuffworks.com/environmental/green-science/walk-score.htm
A walk score is a measure of your neighborhood's walkability. Learn about what a walk score is and find out how the Web site Walk Score rates your walkshed.
13 People with Extra Body Parts
health.howstuffworks.com/human-body/parts/13-people-with-extra-body-parts.htm
Extra body parts can occur more often than people might think. Find out more about 13 people who were born with an extra body part.
Why Are You So Tired? 5 Most Common Sleep Mistakes
health.howstuffworks.com/mental-health/sleep/disorders/so-tired-5-most-common-sleep-mistakes.htm
HowStuffWorks looks at the most common sleep mistakes and how to fix them.
Scurvy: The Scourge of the High Seas Remains at Large Today
health.howstuffworks.com/diseases-conditions/rare/scurvy.htm
HowStuffworks looks at the symptoms and treatment of scurvy and why it was so associated with sailors and pirates.
10 Big Questions About Hinduism, Answered
people.howstuffworks.com/hinduism.htm
Are Hindus polytheistic? Do they worship cows? And how does yoga fit into this religion? We answer some of the most-asked questions around Hinduism.
Baby Boomers: All You Ever Needed to Know
health.howstuffworks.com/wellness/aging/baby-boomers/baby-boomers.htm
Baby Boomers, the generation born 1946-1964 redefines aging. Learn about the cultural, political and economic impact of Baby Boomers.
Cod Liver Oil
health.howstuffworks.com/wellness/natural-medicine/alternative/cod-liver-oil.htm
Cod liver oil can be used to treat many ailments and illnesses. Learn all about cod liver oil and other alternative medicines at HowStuffWorks.
This Cattle Breed Identification Quiz Is Really Hard, So We'll Be Impressed If You Even Get Four Right
Most people don't give cattle a second thought, so long as they have access to milk and hamburgers. But if you fancy yourself a real cowboy or cowgirl, maybe a cowperson, then let's see how many you can identify! No bull, just a quiz!
What Is a Performance-enhancing Drug? Here Are 10 Examples
science.howstuffworks.com/10-performance-enhancing-drugs.htm
The list of superstar athletes accused of - and admitting to - taking performance-enhancing drugs is almost as impressive as the number of sports that they compete in. And we're not just talking about steroids.