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Why are humans altruistic?
science.howstuffworks.com/life/inside-the-mind/emotions/humans-altruistic.htm
Why are humans altruistic? Even when it might hurt us? See concepts and ideas on why humans are altruistic at Discovery Health.
What Would a Yellowstone Eruption Mean for North America?
science.howstuffworks.com/science-vs-myth/what-if/what-if-yellowstone-supervolcano-erupted.htm
Welcome to Yellowstone, a natural wonderland that's home to stunning vistas, vibrant plant and animal life ... and a massive and potentially devastating supervolcano.
Do people without primary care doctors go to the ER more?
health.howstuffworks.com/medicine/do-people-without-primary-care-doctors-go-to-er-more.htm
There aren't as many primary care doctors these days. So do people without a primary care doctor go to the ER more? Find out.
10 Scientifically Sound Weather Superstitions
Ever hear that saying that a cow lies down when rain is coming? This superstition may not be as udderly ridiculous as you think.
Can You Name the Most Popular Cars of All Time?
play.howstuffworks.com/quiz/can-you-name-the-most-popular-cars-of-all-time
If the auto industry was a high school prom, who do you think would be voted Prom King and Queen? Is the DeLorean the most popular car on the block? The Model T? The Corvette? Take the quiz and see how many of the cool cars you recognize.
How Shrinky Dinks Work
entertainment.howstuffworks.com/shrinky-dink.htm
Shrinky Dinks are drawings or colorings on plastic that have been shrunken in an oven. Learn more about Shrinky Dinks at HowStuffWorks.
10 Big Questions in the U.S. Gun Control Debate
people.howstuffworks.com/10-questions-in-gun-control-debate.htm
The U.S. gun control debate is controversial and multifaceted. Learn about 10 of the big questions in the U.S. gun control debate at HowStuffWorks.
How Removable Storage Works
computer.howstuffworks.com/removable-storage.htm
Removable memory has unchained us from our PCs -- we can now carry gigabytes of data wherever we go, in a device the size of a matchbox. Learn about the three major digital storage technologies.
How Elevator Psychology Works
health.howstuffworks.com/mental-health/anxiety/how-elevator-psychology-works.htm
Elevators give many people anxiety. So how does elevator psychology, or treating people who are scared of elevators, work? Find out at HowStuffWorks.
11 of the World's Worst Serial Killers
people.howstuffworks.com/10-worlds-most-prolific-serial-killers.htm
Some serial killers have murdered more than 100 people. Who are the worst serial killers, and why did they do it?