BrainStuff

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Latest Episodes:

What Causes Red Eye In Photos? Oct 17, 2016

Show notes

How can a camera's flash make your eyes glow red? Tune in to learn how it works -- and how to prevent it.

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Why Do Men Have Deeper Voices? Oct 12, 2016

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Christian explains why male humans' voices generally get lower than female humans' during puberty.

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Why Are Honey Bees Disappearing? Oct 10, 2016

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Honey bees are vanishing? But why?

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How Do TV Ratings Work? Oct 05, 2016

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The future of your favorite TV shows hinges on their ratings – but what is a rating, and where does it come from?

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How Do Car Horns Work? Oct 03, 2016

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The next time you honk your car horn at that jerk who cut you off, you’ll understand how it uses physics to get the job done.

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What is Russia's "Dead Hand?" Sep 27, 2016

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We’ve all seen movies with supervillains building catastrophic Doomsday devices – but has anyone ever built a real one? Join Christian to learn how the Cold War led to the most dangerous nuclear system in history: Russia’s legendary – and terrifying – Dead Hand.

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What Causes the Northern Lights? Sep 26, 2016

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There are many misconceptions about what causes the Aurora Borealis when it really requires solar winds, magnetic fields and excited atmospheric gases.

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What Is White Noise? Sep 21, 2016

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Christian defines what white noise actually is and how it's used to mask other annoying sounds.

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Do Supplemental Vitamins Actually Work? Sep 19, 2016

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A vitamin a day keeps you healthy to play. Or does it?

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