Clip Air brings air travel by train
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Scientists come to grips with seahorse armor
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Snake robots slither to the rescue
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Wildfire raging in Colorado Springs area destroys 360 homes
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Water crisis, over-population present stark choices for Kiribati
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Solar-powered collar tracks hunting cheetahs' methods
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Researcher gives new meaning to "table talk"
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Driverless car steering course to road-readiness
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Germany floods hit more regions
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Pinhole camera lights the way for traditionalists
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Renault seeks change of mood with all-electric concept car
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Tornado survivors of Moore, Oklahoma
(5:25)