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Scientific Method: The Metric System
- The French developed a system using the meter, liter, and grams as the base unit of measurement, which has become part of the standard metric system used by most countries today.
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Dr. Know: Toilet Paper
(2:04)
Does toilet paper protect your hands from bacteria in the bathroom? Learn more about bathroom hygiene in this video from Discovery.
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Dr. Know: Hangovers
(2:30)
Does mixing your alcohol really cause a worse hangover? Learn more about the effects of a night of hard drinking in this video from Discovery.
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How Nanotechnology Works
(2:19)
Nanotechnology deals with materials and machines on an incredibly tiny scale. To learn more about nanotechnology, check out this HowStuffWorks video.
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Subliminal Political Messages
(4:04)
Watch this video from ScienCentral as the Science Sensei discusses subliminal campaign ads. New research shows that subliminal messages can change political views and behavior.
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How Video Games Can Reduce Stress
(1:15)
A simple video game has been shown to reduce stress. As this ScienCentral News video explains, researchers at McGill University also found that playing the game resulted in increased productivity.
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Anti-Reflective Coating
(1:23)
Watch this video from the University of Florida showing a new anti-reflective coating that could help reduce eye strain from computer screen glare. UF engineers researched moths since their eyes don't reflect light.
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Green Wax Prince Unveilved
(1:17)
Watch this video about "green" sculpting on HowStuffWorks. Sculptors at London's Madame Tussauds waxwork museum used organic ingredients, recycling techniques and carbon off-setting to make a new model of Prince Charles. The figure was handmade by... More »
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Music Video About Prime Numbers
(2:24)
Watch this fun music video about prime numbers on HowStuffWorks. This humorous song describes prime numbers and their history. Learn about prime numbers in this NOVA segment from PBS.
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