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10 Types of Study Bias
science.howstuffworks.com/life/inside-the-mind/human-brain/10-types-study-bias.htm
We often think that if a drug has been studied by scientists and given a favorable outcome, then it must be safe and proven. But many kinds of biases can creep into a study, rendering it less than effective.
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.
1945-1952 Jeep: Willys Postwar Jeep
auto.howstuffworks.com/1945-1952-jeep.htm
The Willys Jeep came into its own in the years following World War II. Learn about the postwar Jeep, including modifications for civilian use.
How did 'Star Wars' change the toy industry?
entertainment.howstuffworks.com/star-wars-change-toy-industry.htm
'Star Wars' toys were hot items in the '70s and '80s. Find out if the popularity of 'Star Wars' toys changed the toy industry.
Can You Name All of These World Heritage Sites?
play.howstuffworks.com/quiz/can-you-name-all-of-these-world-heritage-sites
We only have one Earth, and the easiest way you can show your appreciation for it is by recognizing its brilliance. Some of the world's most endangered animals, oldest cities and rarest land formations are protected in World Heritage Sites around the globe. Put your skills to the test and see if you can recognize them all.
The Frog Quiz
play.howstuffworks.com/quiz/the-frog-quiz
"It's not easy being green," a famous frog once told the world (in song, no less). But if you paid attention in science class, you shouldn't find this quiz too hard! Good luck!
How Hair Dryers Work
home.howstuffworks.com/hair-dryer.htm
Hair dryers are a popular appliance that are used every day. Go inside a hair dryer and find out exactly how it gets the job done.
Is Apple Cider Vinegar the 'Secret' to Weight Loss?
Does apple cider vinegar help with weight loss? HowStuffWorks looks at the science of apple cider vinegar.
Does shaving your armpits reduce sweating?
health.howstuffworks.com/skin-care/underarm-care/tips/does-shaving-armpits-reduce-sweating.htm
Does shaving your armpits reduce sweating? Ignore the hype and look at the science, at HowStuffWorks.
How Junk Food Works
recipes.howstuffworks.com/junk-food.htm
Junk food is a miracle of edible engineering. Learn about the history and science behind junk food.