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How Dark Matter Works
science.howstuffworks.com/dictionary/astronomy-terms/dark-matter.htm
For decades, stargazing scientists have been facing their own darkness on the edge of town as they try to explain one of astronomy's greatest mysteries: dark matter. Have they been successful, or will the universe carry its secrets for a long time?
10 Times Humanity Found the Answer (and Then Forgot)
history.howstuffworks.com/10-times-humanity-found-answer-and-then-forgot.htm
Could humanity be even farther ahead if we hadn't forgotten what we'd learned centuries ago? Learn about 10 times we forgot answers at HowStuffWorks.
How Tangrams Work
entertainment.howstuffworks.com/puzzles/tangrams.htm
Tangram puzzles are made up of geometric pieces placed to create different shapes. Learn how Tangram puzzles work at HowStuffWorks.
When Will We Run Out of Oil, and What Happens Then?
science.howstuffworks.com/environmental/energy/run-out-of-oil.htm
If we run out of oil, what are the next steps we can take for energy production? Find out what would happen if we run out of oil.
Entropy: The Invisible Force That Brings Disorder to the Universe
science.howstuffworks.com/entropy.htm
Entropy is the disorder of a system, but that means a lot more than making a mess of a room.
How Old Was Jesus When He Died?
people.howstuffworks.com/old-was-jesus-when-died.htm
While 33 is often the "go-to" answer to the question of how old was Jesus when he died, many scholars doubt that age is accurate.
How Lipstick Works
health.howstuffworks.com/skin-care/beauty/skin-and-makeup/lipstick.htm
Lipstick is something most women have used. But do you know what ingredients are in lipstick or how it was discovered? Learn how lipstick works.
The Basics of Qi
health.howstuffworks.com/wellness/natural-medicine/chinese/qi.htm
Qi ("chee") is one of the vital substances of traditional Chinese medicine. Learn more about this life force and the role it plays in your health.
10 Most Long-lived Empires in History
history.howstuffworks.com/world-history/10-long-lived-empires.htm
Which historical empires lasted the longest? Read about the 10 most long-lived empires in history.
How the LSAT Works
money.howstuffworks.com/personal-finance/college-planning/admissions/lsat.htm
The LSAT exam is explained in this article from HowStuffWorks. Learn about the LSAT and find out how the LSAT is organized.