Detached admiration for sporting achievement? Not on your life. It's all about allegiance and, even, love. Kevin C. Cox/Getty Images hide caption

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An illustration of what the Philae lander will look like at work on Comet 67P/Churyumov-Gerasimenko. AOES Medialab/ESA hide caption

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Will the distant future give rise to exhibits of a human past long gone, much as we gawk today at representations of a dinosaur age we can only imagine? Aamir Qureshi/AFP/Getty Images hide caption

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This handout provided by the Santa Monica Police Department shows ammunition, magazines and guns believed to have been dropped by a suspected gunman during a mass shooting at Santa Monica College in June 2013. Getty Images hide caption

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