Stuff You Should Know
Consider This: Biodiversity
Some scientists feel like a lack of biodiversity could be the planet's most daunting issue in the future. When species become extinct, it sets off a chain reaction affecting the entire ecosystem. Learn about the biodiversity issues facing our planet.
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HowStuffWorks Animations: Dark Fairy Tales
Fairy tales are for kids right? Well not at first they weren't. They were dark tales of murder, rape, incest, cannibalism and mayhem geared toward adults. What changed? Chuck and Josh will drop that knowledge in this clip from Stuff You Should Know.