Stuff You Should Know
Don't Be Dumb: The Great Wall of China
Do you think the Great Wall of China is the only manmade structure that is visible from space? Think again, Jack. You can't even see that thing. Get set straight by Josh here in this video.
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Stuff You Should Know: Consider This: E-Waste
It's time to replace your busted cell phone and your first instinct is to toss the old one in the trash. But do you know where most of the world's electronic waste ends up? Hint: it's not pretty.
Stuff You Should Know: Can Chuck Feel Josh's Pain?
People with mirror-touch synesthesia literally feel the pain of others -- but why? Tune in as Josh and Chuck explain the fascinating mechanics of mirror neurons in this exclusive video from HowStuffWorks.com and the Science Channel.
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