Dangerous mountain paths. And they all risk developing a serious health disorder caused by lack of oxygen.

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In the western United States, mountain snow provides up to seventy-five percent of all surface water supplies.

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He rode that mountain lion all the way to the camp of the Hell's Gate Gang.

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He explains how they've set up Wi-Fi all around Mountain View, Calif for the campus.

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For all of Mountain Lion's iOS-derived goodness, one highlight plenty of folks would love to see in OS X is still missing in action: Siri, the voice-controlled personal assistant.

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All eight mountain states have Republican governors.

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