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Are there secret messages in da Vinci's 'The Last Supper'?
entertainment.howstuffworks.com/arts/artwork/last-supper-theory.htm
The 'Last Supper' painting by Da Vinci has generated many hidden-meaning theories. Could these theories be real? Learn more about the 'Last Supper'.
How can parts of Canada be 'missing' gravity?
science.howstuffworks.com/environmental/earth/geophysics/missing-gravity.htm
For more than 40 years, scientists have tried to figure out what's causing large parts of Canada to be "missing" gravity. The force of gravity around Hudson Bay is lower than surrounding areas. Learn about two theories that may explain the phenomenon.
Why would you take poison as medicine?
health.howstuffworks.com/medicine/modern-technology/poison-as-medicine.htm
Can you really take poison as medicine? Learn about both ancient and cutting-edge ways that poison acts as medicine.
How Do Water Softeners Work?
home.howstuffworks.com/question99.htm
A water softener uses sodium to help replace calcium and magnesium ions. Learn about about water softeners and how water softeners treat your water.
Martin Luther King Jr. Day Crafts
lifestyle.howstuffworks.com/crafts/holiday-crafts/martin-luther-king-jr-day-crafts.htm
On Martin Luther King Jr. Day, learn more about this important activist by making one of these interesting craft projects. Learn how in this article.
Michelangelo's Last Judgment
entertainment.howstuffworks.com/arts/artwork/michelangelos-last-judgment.htm
Michelangelo's Last Judgment is located in the Sistine Chapel and is one of the Michelangelo's last works. Learn about this painting by Michelangelo.
Why Is the Iowa Caucus So Important?
people.howstuffworks.com/iowa-caucus.htm
The Iowa caucus is one of the most important in the presidential election process. HowStuffWorks looks at why a win here is so critical to candidates.
Inside The Amazing Race
entertainment.howstuffworks.com/amazing-race.htm
"Go behind the scenes on the CBS hit television show ""The Amazing Race"". Learn what it takes to put together a competition that spans the continents."
How the United Nations Works
people.howstuffworks.com/united-nations.htm
The world looks to the United Nations for guidance on important international matters. Find out what goes on inside the United Nations and what role it really plays in international politics.
How Plasma Cutters Work
home.howstuffworks.com/plasma-cutter.htm
The metal used to construct buildings resists all sorts of damage, making it a very reliable material -- and very difficult to manipulate into the appropriate form. Enter the plasma cutter. Learn all about the amazing device that cuts through metal like a knife through warm butter.