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Your search for "what" returned 20,933 results
What is a cavity in a tooth? Why do they drill it?
health.howstuffworks.com/wellness/oral-care/problems/question106.htm
What is a cavity in a tooth? Why do they drill it? If a cavity is a hole, why would you drill it to make the hole even bigger?
What's the difference between the U.S. deficit and the national debt?
money.howstuffworks.com/difference-between-u-s-deficit-national-debt-.htm
What's the difference between the U.S. deficit and the national debt? Learn the difference between the deficit and the national debt at HowStuffWorks.
What 'An Inconvenient Truth' Got Right (And Wrong) About Climate Change
Now that its sequel is out, where did Al Gore's landmark environmental documentary hit the mark? What did it get wrong?
What is the urban heat island effect?
science.howstuffworks.com/environmental/green-science/urban-heat-island.htm
Cities are often hotter than rural areas because of the urban heat island effect. Learn what an urban heat island is.
What are the most famous motorcycle rallies in the U.S.?
auto.howstuffworks.com/famous-motorcycle-rallies.htm
What are the most famous motorcycle rallies in the U.S.? Read about the United States' biggest motorcycle rallies.
What can you do if you were mistreated in the ER?
health.howstuffworks.com/medicine/mistreated-in-er.htm
Sometimes things go wrong in the ER. Find out what you can do if you are mistreated in the ER at HowStuffWorks.
What Does a Film Editor Do?
entertainment.howstuffworks.com/film-editor.htm
What does a film editor do? Check out HowStuffWorks to learn all about film editors.
How Is Barometric Pressure Measured and Why?
science.howstuffworks.com/nature/climate-weather/meteorological-instruments/barometric-pressure.htm
Weather forecasters can tell what the weather will be by reading the barometric pressure, but how does it work?
What are supercomputers currently used for?
computer.howstuffworks.com/supercomputers-used-for.htm
Supercomputers are the whiz kids of the computing world - they're the fastest, most powerful machines around. Find out what supercomputers are used for.
What Exactly Is a Personal Loan?
money.howstuffworks.com/personal-finance/debt-management/personal-loan.htm
HowStuffWorks wants to know exactly what a personal loan is, who can get one and if it's a good idea.