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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.
10 Strangest Mass Hysterias
history.howstuffworks.com/historical-events/10-strangest-mass-hysterias.htm
Mass hysteria epidemics are not as rare as you might think. Learn some super strange mass hysteria at HowStuffWorks.
Why shouldn't I swim right after I eat?
science.howstuffworks.com/science-vs-myth/everyday-myths/question510.htm
You've heard the saying for ages, but exactly why is it so dangerous to go swimming right after you eat?
What is in an antiperspirant that stops sweat?
health.howstuffworks.com/skin-care/underarm-care/problems/question627.htm
What is in an antiperspirant that stops sweat?
What if I threw a penny off the Empire State Building?
You may have heard the tale of a person who throws a penny from the Empire State Building and kills a pedestrian below. Does this story have any truth to it?
Does taking an aspirin daily affect your skin?
health.howstuffworks.com/skin-care/daily/tips/aspirin-affect-your-skin.htm
Does taking an aspirin daily affect your skin? Visit HowStuffWorks to learn if taking an aspirin daily affects your skin.
Do vegetarians have better skin?
health.howstuffworks.com/skin-care/beauty/skin-and-lifestyle/do-vegetarians-have-better-skin.htm
Do vegetarians have better skin? Visit HowStuffWorks to find out whether or not vegetarians have better skin.
What Is the Difference Between Two- and Three-pronged Plugs?
electronics.howstuffworks.com/everyday-tech/question110.htm
Some appliances use three prongs to connect to an outlet, while others only use two. Learn the difference between two- and three-pronged plugs.
How Many Senses Do Humans Have?
science.howstuffworks.com/life/inside-the-mind/human-brain/question242.htm
We've all heard of a "sixth sense" and extra-sensory perception. So how many ways can we actually sense the world around us?
What is all the flickering when I try to record a television set picture with a video camera?
electronics.howstuffworks.com/question336.htm
What is all the flickering when I try to record a television set picture with a video camera?