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Bottled Water Basics: How Many Bottles of Water in a Gallon, and More
science.howstuffworks.com/environmental/green-science/bottled-water.htm
For a seemingly basic food product, bottled water has generated its share of controversy. Find out why.
Top 10 Most Common Ingredients in Fast Food
recipes.howstuffworks.com/10-ingredients-fast-food.htm
Some of the most common fast food ingredients are citric acid, xanthan gum and caramel color. Learn about the top 10 most common ingredients in fast food.
How Sci-fi Doesn't Work
entertainment.howstuffworks.com/sci-fi.htm
Learn how sci-fi doesn't work in some popular movies and TV shows.
How Your Immune System Works
health.howstuffworks.com/human-body/systems/immune/immune-system.htm
Inside your body there is a mechanism designed to defend you from millions of bacteria, microbes, viruses, toxins and parasites that want to invade your body. Find out how the human immune system works.
What Does a Catalytic Converter Do and Why Do People Steal Them?
auto.howstuffworks.com/catalytic-converter.htm
Catalytic converters are one of the most important parts of a car's emissions control system. Learn about catalytic converters and catalytic converter laws.
Paul Berg
science.howstuffworks.com/dictionary/famous-scientists/biologists/paul-berg-info.htm
Berg, Paul (1926-), an American biochemist and molecular biologist, has been at the forefront of genetic engineering, both as an inventor of a pioneering procedure and as an advocate concerned about the risks of genetic research.
Why does orange juice taste bad after you brush your teeth?
health.howstuffworks.com/mental-health/human-nature/perception/orange-juice-toothpaste.htm
Why does orange juice taste bad after you brush your teeth? Learn about the sense of taste and studies on why orange juice tastes bad after brushing.
Frances Kelsey Stopped Thalidomide in Its Tracks, and Changed the FDA Forever
history.howstuffworks.com/historical-figures/frances-kelsey-thalidomide.htm
Frances Kelsey saved countless lives when she decided not to approve a drug for morning sickness in the 1960s. Her instinct was spot-on and has had lasting effects on FDA drug approval ever since.
Entropy: The Invisible Force That Brings Disorder to the Universe
science.howstuffworks.com/entropy.htm
Entropy is the disorder of a system, but that means a lot more than making a mess of a room.
Can Viruses Make You Smell More Attractive to Mosquitoes?
health.howstuffworks.com/diseases-conditions/infectious/viruses-change-scent-mosquitoes-news.htm
Viruses can alter a person's body odor to make it more attractive to mosquitoes, leading to more bites, which, in turn, allow a virus to spread.