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The Cleanest Lakes in the U.S. Aren't the Same as the Clearest
science.howstuffworks.com/environmental/earth/cleanest-lakes-in-the-us.htm
American lakes are a vital feature of the country's landscape and cultural identity; from the Great Lakes in the Upper Penninsula to the picturesque Ozarks of the Midwest, citizens have flocked to these large freshwater sources for trade, natural resources and top-notch recreational activities.
How Freezers Work
home.howstuffworks.com/freezer.htm
Many freezers have features to prevent frost and digitally monitor temperatures, but the technology has been evolving for years. Learn about freezers.
5 Hugely Fun Facts About Mass (Not Weight)
science.howstuffworks.com/mass-not-weight.htm
Weight is the measurement of gravity's pull on an object. And it varies by location. Mass is a different beast altogether.
How the Star Wars Program Didn't Work
science.howstuffworks.com/star-wars-program.htm
Back in 1983 when the Cold War was in full swing, the U.S. was looking for an effective new tactic to deter a nuclear strike. The "Star Wars" missile defensive initiative, however, wasn't it. Why not?
How a Weather Balloon Works?
science.howstuffworks.com/nature/climate-weather/meteorological-instruments/weather-balloon.htm
Have you ever wondered how weather stations gather all of their data? Even though technology for predicting the weather has improved, simple weather balloons do a lot of the hard work every day.
10 Oldest Known Diseases
science.howstuffworks.com/life/cellular-microscopic/10-oldest-known-diseases.htm
You won't find some of history's biggest killers on this list, but you will find at least one disease that will make you want to bite something and another that might make you break out in "elevated pustules." Curious yet?
14 Wild Animals That Start With 'U' (Aside From the Utahraptor)
animals.howstuffworks.com/wild-animals/animals-that-start-with-u.htm
Animal names are a simple way to categorize the diverse species of the animal kingdom. Animals that start with "U" can be some of the most fascinating in our planet's elaborate biological patchwork.
4 Unexpected Places Where Adults Can Learn Science
people.howstuffworks.com/adults-learn-science-news.htm
Here are four alternative venues where the general public can enjoy nature, engage in hands-on science learning and get a behind-the-scenes look at scientific research in action.
What's the Most Americans Have Ever Paid for Gas?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/highest-gas-payment.htm
Gas prices seem like they are currently out of control, but adjusted for inflation, there was another time when they were even higher. When was that, and what causes gas prices to fluctuate?
How the Moon Works
science.howstuffworks.com/moon.htm
The moon is the Earth's only natural satellite and the closest celestial object. Learn about the moon and some of the theories about the moon's origin.