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Why Is the Sky Blue?
science.howstuffworks.com/nature/climate-weather/atmospheric/sky.htm
We've all probably looked up and wondered why the sky is blue instead of, say, brown. The sky is blue because of the way Earth's atmosphere scatters light from the sun.
What Is Pi?
science.howstuffworks.com/math-concepts/pi.htm
Whether the circle is as big as planet Mars or as small as a tennis ball, the ratio of its circumference divided by its diameter will always equal pi (3.14). But why?
How can I have an out-of-body experience?
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/out-of-body-experience.htm
Out-of-body experiences (OBEs) are most often associated with sick or injured people, but scientists recently produced these experiences in healthy people. Learn how virtual reality can scramble your point of view.
Who Killed Batman?
entertainment.howstuffworks.com/arts/comic-books/grayson.htm
A new movie trailer shows Robin coming out of retirement to avenge Batman's death, clashing with Superman, Wonder Woman, the Joker and the Penguin along the way. What's the story on this ultimate superhero movie?
How to Start a Volleyball Club
entertainment.howstuffworks.com/sports/club-intramural/how-to-start-volleyball-club.htm
How do you start a volleyball club? Learn everything you need to know about starting a volleyball club at HowStuffWorks.
How the SteriPEN Works
electronics.howstuffworks.com/gadgets/travel/steripen.htm
The SteriPEN is a very popular travel gadget. Learn more about the SteriPEN at HowStuffWorks.
How to Get Rid of Hornets
home.howstuffworks.com/how-to-get-rid-of-ground-hornets.htm
You can get rid of ground hornets with soap and water, insecticide, traps or by removing their nests. Learn about how to get rid of ground hornets in this article.
Traditional Chinese Medicine: Science or Superstition?
Traditional Chinese medicine science or superstition? Learn the difference between traditional Chinese medicine science and superstition from Discovery Health.
Will the Leaning Tower of Pisa ever fall?
science.howstuffworks.com/engineering/structural/will-leaning-tower-of-pisa-fall.htm
Pisa without its precariously tilted landmark is like San Francisco without the Golden Gate or London without Buckingham Palace. Will the peculiarly enduring tower ever vanish from the Italian skyline?
How M.C. Escher Worked
entertainment.howstuffworks.com/arts/artwork/mc-escher.htm
M.C. Escher was an incredibly talented artist. Visit HowStuffWorks to learn all about M.C. Escher.