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When it comes to enduring harsh conditions, for example, there are creatures in this world that make humans look like a bunch of cupcakes. Meet the extremophiles, so-called because they can withstand environments so intensely hot, cold, salty, acidic, alkaline, pressurized, dry, radioactive, or barren they'd put us out like a match in a hurricane. So impressive are their superpowers that NASA made them trading cards, just like Superman. [Source: National Geographic News]
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