Stuff You Should Know
Consider This: Overpopulation
It took from the dawn of humanity until the 19th century to reach a billion people on the planet. It took just over 200 years afterwards to add 6.2 billion more. With more and more people and ever dwindling resources, what are we to do?
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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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