BrainStuff

Scientists have been studying the four fundamental forces (gravity, electromagnetism, the strong force, and the weak force) since the 1950s, but new research indicates that there may be a fifth. Learn more in this episode of BrainStuff. 

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We often use the two interchangeably (especially in times of need), but toilet paper and facial tissues are composed differently. Learn why you shouldn't flush tissues in this episode of BrainStuff.

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The technology already exists to put Breathalyzers in cars to prevent drunk driving, and some lawmakers are working towards mandating it. Learn how it might work in this episode of BrainStuff.

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What's in a name? Research shows that your name can indeed influence your career and your behavior. Learn how in this classic episode of BrainStuff.

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Pushing the tab on a car's rearview mirror seems to dim the headlights of the car behind you -- but how? Learn how rearview mirrors work in this classic episode of BrainStuff.

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The internet's Wayback Machine isn't a time machine in the traditional sense, but it does archive web pages to provide a living history for users to explore. Learn how it works in this episode of BrainStuff.

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When fish abandon unhealthy coral reefs, the whole ecosystem can collapse -- but new research shows that playing sounds from healthy reefs can lure fish back, helping stabilize the reef. Learn how in this episode of BrainStuff.

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New research indicates that permanent hair dyes and hair straighteners can increase women's risk of breast cancer. Remember, cancers are caused by many genetic & environmental factors -- but learn what the researchers found in this episode of BrainStuff.

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When something or someone is particularly emblematic of the U.S., we often say they're 'as American as apple pie'. Learn the history of apple pie, plus how that phrase got started, in this episode of BrainStuff.

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School buses are much safer than other vehicles on the road, statistically speaking, but they'd be even safer with seat belts. Learn why they haven't traditionally had them, and how that might change, in this episode of BrainStuff.

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