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Polygons: Regular vs. Irregular, Convex vs. Concave

science.howstuffworks.com/math-concepts/polygons.htm

Whether you're studying up for a math test, helping your child with homework or just trying to brush up before trivia night, learning the basic ins and outs of polygons will serve you well.

Is It a Nice Day for a Ghost Wedding?

people.howstuffworks.com/culture-traditions/cultural-traditions/ghost-wedding.htm

Most ghosts are concerned with haunting stuff, but some settle down and get married instead. Learn more about ghost weddings at HowStuffWorks Now.

Half the World Will Be Nearsighted by 2050

health.howstuffworks.com/human-body/systems/eye/half-the-world-will-be-nearsighted-2050.htm

It's estimated that a shocking 5 billion people will be nearsighted by 2050. HowStuffWorks Now examines the reasons why.

Quodpot or Quidditch? Wizarding Worlds Aren't All the Same

entertainment.howstuffworks.com/how-american-british-wizarding-worlds-differ.htm

The differences between the U.S. and Britain are many, but in the wizarding world of Harry Potter, they're even more pronounced.

Rats Are Little Geniuses

animals.howstuffworks.com/mammals/rats-are-little-geniuses.htm

Despite our best efforts at eradicating them, rats keep outsmarting us. The guys from Part-Time Genius look into how they do it.

Ancient Mummy DNA Reveals Surprises About Egyptian Ancestry

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What does ancient Egyptian DNA from mummies tell us about modern populations? Learn more in this HowStuffWorks article.

No One Knows What Caused a Massive 1908 Explosion in Siberia

science.howstuffworks.com/science-vs-myth/unexplained-phenomena/what-caused-massive-1908-explosion-at-tunguska.htm

Theories surrounding the source of the Tunguska blast that rocked the Siberian region in 1908 abound. But the exact cause is still a mystery.

Think the Founding Fathers Were a Bunch of Old Men? Think Again

history.howstuffworks.com/historical-figures/founding-fathers.htm

We see them in paintings of the day as a congregation of arthritic old men, drily deciding the terms of the new republic when, in actuality, some were as young as 26.

How Many Orbeez Does It Take to Fill a Bathtub?

science.howstuffworks.com/math-concepts/orbeez-fill-bathtub.htm

It's an important question, so come with us and we'll show you how to figure it out.

Mushroom Burial Suit Creates Life After Death

science.howstuffworks.com/environmental/green-science/mushroom-burial-suit.htm

The Mushroom Burial Suit is designed to give our dead bodies new life by breaking them down and nourishing the soil.

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