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This ephemeral river may only last a few days a year, but it’s life sustaining.
This metallic beauty is one of an estimated 4,000 bees native to the U.S., hundreds of which haven’t been scientifically named yet.
Don't blame the polar vortex for this winter's cold weather woes.
Scientists used a high speed camera to study how tiny carbon dioxide bubbles in beer rapidly expand and rise.
Physicist Carl Haber helps resurrect sound from old audio files once thought lost to history.
The country's Christmas tree capital is Oregon, where Douglas and noble firs reign thanks to accommodating climate and soil.
This plane looks blue under ultraviolet light, but it's designed to be green.
The Cassini spacecraft's sweeping shot shows Saturn, its moons and rings, and Earth, Venus, and Mars.
This tree's kaleidoscopic bark is a photographer's delight.
A method using consumer grade photography gear offers a fresh look at the northern lights.
A lofty view from space reveals the Red Planet's polygonal geometry.
Organic chemistry professor Donna Nelson helps the Emmy-winning series make scientific sense.
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