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Why does anemia make people want to crunch on ice?
If you've got a constant compulsion to crunch on ice -- huge amounts of ice -- it could be a sign of anemia. What is it about having an abnormal number of red blood cells that makes ice so appealing?
How Holograms Work
science.howstuffworks.com/hologram.htm
If you want to see a hologram, you don't have to look much farther than your wallet. But the most impressive holograms are large scale and illuminated with lasers or displayed in a darkened room with carefully directed lighting. Learn how a hologram, light and your brain work together make clear, 3-D images.
How Movie Distribution Works
entertainment.howstuffworks.com/movie-distribution.htm
Our series on movie theaters concludes with movie distribution. Learn how movies make it to your local theater and how money flows back to the studios!
Is marriage a good investment?
money.howstuffworks.com/personal-finance/financial-planning/marriage-investment.htm
Marriage and money are inextricably linked. Learn how the average cost of marriage can affect your investment plans and savings for the future.
Will I die if I eat polar bear liver?
animals.howstuffworks.com/mammals/eat-polar-bear-liver.htm
If you eat [url=https://animals.howstuffworks.com/mammals/polar-bear.htm]polar bear[/url] liver, you may develop hypervitaminosis A. Learn why you shouldn't eat polar bear liver and dangers associated with vitamin A.
How LED Incapacitators Work
science.howstuffworks.com/led-incapacitator.htm
LED incapacitators are non-lethal devices used by law enforcement officials. Learn about LED incapacitators.
Did Cleopatra really lose the Battle of Actium?
history.howstuffworks.com/history-vs-myth/cleopatra-battle-of-actium.htm
Did Cleopatra really lose the Battle of Actium? Learn about Cleopatra and the Battle of Actium at HowStuffWorks.
Top 5 Ways Nature Has Inspired Technology
science.howstuffworks.com/environmental/green-tech/sustainable/5-ways-nature-inspired-technology.htm
Some of the newest ideas in technology come from very old ideas -- they're inspired by nature. How do the plants and animals around us give engineers ideas?
How Kill A Watt Works
science.howstuffworks.com/environmental/green-tech/sustainable/kill-a-watt.htm
Kill A Watt is a new type of energy monitor. Learn about Kill A Watt.
How Volunteering at Christmas Works
money.howstuffworks.com/economics/volunteer/opportunities/volunteering-on-christmas.htm
Volunteering on Christmas is a wonderful and selfless act. Visit HowStuffWorks to learn all about volunteering on Christmas