The telescope was patented 400 years ago. Although it took a while for people to trust the observations of scientists, the instrument changed out entire point of view.
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The $1.25 Remote-Controlled Ghost. A nearly universal experience you may relate to.
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There are only about 400 North Atlantic right whales left on earth.  A research team from Boston's New England Aquarium knows them all, either by sight or by DNA.
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The barbershop quartet from the Starship Enterprise. The impressions are spot on, and they can sing, too!
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The 200-year-old operating theater at the Pennsylvania Hospital is preserved as it was during its early use. Be thankful we only get a small taste of what surgery was like before anesthetics and antiseptics.
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Kung Fu Election. Choose your fighter, and pray you don't die as fast as I did! (via Metafilter)
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Don't assume someone lives in Atlanta just because they say they're from Georgia. Only a handful of US cities contain more than 10% of their state's population.