Brainstuff
BrainStuff
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Why do human beings have eyebrows?
Eyebrows are prominent human features, but what purpose do they ...
Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about eyebrows in this episode.
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Why do 3D movies cause headaches?
Although 3-dimensional movies have become increasingly popular, numerous viewers have ...
Although 3-dimensional movies have become increasingly popular, numerous viewers have complained of headaches while watching these films. Why? Tune in as HowStuffWorks.com founder Marshall Brain breaks down the science behind 3D films.
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How do artificial flavors work?
Artificial flavors imitate natural flavors and are found in many ...
Artificial flavors imitate natural flavors and are found in many processed products. Learn more about the chemistry of flavors, both natural and artificial, in this episode of BrainStuff.
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Is there a way to detect illegal phone taps?
Tapping into someone's phone line is relatively easy to do ...
Tapping into someone's phone line is relatively easy to do on a land line. Fortunately, phone taps are easy to detect. Tune in to this podcast from HowStuffWorks.com to get Marshall Brain's tips on ferreting out illegal phone taps.
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Is it possible to carbonate your own water?
If you enjoy drinking carbonated water, this episode's for you! ...
If you enjoy drinking carbonated water, this episode's for you! Listen in as Marshall Brain explains how to make your own carbonated water at home for a fraction of the price you pay in stores.
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What is a fossil?
Fossils provide us with an important picture of ancient life. ...
Fossils provide us with an important picture of ancient life. But how is a fossil created, exactly? Marshall Brain breaks down the various natural processes behind fossilization in this episode.
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What is superconductivity?
Superconductive materials have no electrical resistance, but why is superconductivity ...
Superconductive materials have no electrical resistance, but why is superconductivity a big deal? Marshall Brain explains the potential benefits and implications of superconductive materials, as well as how they work, in this episode.
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How do terrorist bombs work?
Terrorists have a new way of getting bombs into the ...
Terrorists have a new way of getting bombs into the United States: mailing them. In this episode, Marshall breaks down the science behind the types of bombs used by terrorists, and the explosive ingredients involved.
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How valuable is exercise to your health?
We all know that exercise is an important way to ...
We all know that exercise is an important way to safeguard your health. But how, exactly? In this episode, Marshall discusses the health benefits of exercise -- and how much we need each week in order to take advantage of these benefits.
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How can water cut through steel?
Waterjets are tools that use highly pressurized, focused streams of ...
Waterjets are tools that use highly pressurized, focused streams of water to cut through metal and other solid materials. Learn more about waterjets in this episode.
