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How did ancient civilizations use sundials to tell time?
electronics.howstuffworks.com/gadgets/clocks-watches/ancient-civilizations-use-sundials.htm
Ancient sundials first popped up in Egypt around 1500 B.C. Learn how these sundials came about and what they were used for all those centuries ago.
Can we treat mental illness with hallucinogens?
health.howstuffworks.com/medicine/tests-treatment/mental-illness-hallucinogens.htm
Hallucinogens have a reputation for expanding the mind. Is it deserved? Learn why hallucinogens like LSD may be the key to treating mental illness.
How Digital Matte Painters Work
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Digital matte painters make some of your favorite movies come to life. Check out HowStuffWorks to learn more about digital matte painters.
How Freegans Work
money.howstuffworks.com/freegan.htm
Freegans, or Dumpster divers, are people who attempt to live an ethical lifestyle by reusing trash. Learn about freegans and the ethics of a freegan lifestyle.
Can an MRI machine also act as a lie detector?
people.howstuffworks.com/mri-lie-detector.htm
A MRI lie detector could detect truthfullness more accurately than a polygraph machine. Learn about MRI lie detectors and and MRI lie detection.
How Skin Moles Work
health.howstuffworks.com/skin-care/problems/medical/skin-moles.htm
Skin moles are common. Learn more about how skin moles work at HowStuffWorks.
How to Pick a Hair Removal Specialist
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Want to know how to pick a hair removal specialist? Visit HowStuffWorks to learn how to pick a hair removal specialist.
5 Kwanzaa Traditions
people.howstuffworks.com/culture-traditions/cultural-traditions/5-kwanzaa-traditions.htm
What kind of traditions come with celebrating Kwanzaa? Check out 5 Kwanzaa traditions at HowStuffWorks.
10 Wedding Traditions With Surprising Origins
Many of the family wedding traditions have a history that might surprise you. Check out 10 wedding traditions with surprising origins at HowStuffWorks.
Remineralization of Teeth
health.howstuffworks.com/wellness/oral-care/procedures/remineralization-of-teeth.htm
There are natural ways for remineralization of teeth to occur. Learn about saliva and remineralization of teeth.