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The IQ Scale: What Does Your IQ Score Really Mean?
science.howstuffworks.com/life/inside-the-mind/human-brain/question455.htm
The term IQ typically refers to a score on a test that measures someone's cognitive ability. What does this test constitute exactly? And does it accurately measure intelligence?
What Is a Relational Database? Example and Uses
computer.howstuffworks.com/question599.htm
The relational database was born in 1970 when E.F. Codd, a researcher at IBM, wrote a paper outlining the process. At the time, databases were "flat," and stored as one long text file. Explore a relational database example and various uses!
Can we make tailpipes that capture CO2?
auto.howstuffworks.com/tailpipe-capture-co2.htm
Tailpipes that capture CO2 would make a dent in humans' contributions to greenhouse gas emissions. Learn about tailpipes that capture CO2 and if they exist.
How Volunteer Lawyers Work
money.howstuffworks.com/economics/volunteer/opportunities/volunteer-lawyers.htm
Volunteer lawyers provide a valuable service for those in need. Learn all about volunteer lawyers at HowStuffWorks.
Friction Blisters
health.howstuffworks.com/skin-care/problems/beauty/friction-blisters.htm
Friction blisters are a common skin problem. Learn more about how friction blisters work at HowStuffWorks.
Does spicy food really cause ulcers?
health.howstuffworks.com/diseases-conditions/digestive/spicy-food-ulcers.htm
Does spicy food really cause ulcers? Read up on this health myth and find out if science backs up the saying that ulcers are caused by eating spicy food.
Am I carrying my own twin?
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/issues/carrying-my-own-twin.htm
Are you carrying your own twin? Sometimes an early trimester death of a twin is absorbed by the other twin. See if you are carrying your own twin.
How Reservation Confirmations Work
money.howstuffworks.com/business-communications/how-reservation-confirmations-work.htm
Automated reservation confirmations have become an important link. Find out how these simple electronic notifications can save you time.
A Nation Divided: Civil War Quiz
play.howstuffworks.com/quiz/civil-war-quiz
Although it ended more than a century ago, the scars of the Civil War are still with Americans today. Think you know more than the average Billy Yank or Johnny Reb about the blood and politics behind the war? Find out by taking our Civil War quiz.
Is it possible to run a nuclear test without producing radioactive fallout?
science.howstuffworks.com/nuclear-test.htm
In what may prove to be the first nuclear explosion since 1998, North Korea claims it has conducted an underground test of a nuclear weapon.