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Pollution stifles wind, squelches rain

Like a high stakes match of rock-paper-scissors, summertime pollution trumps both wind and precipitation in the valley air near Mt. Hua. Scientists at Pacific Northwest National Laboratory found that human-caused air pollution ...

dateMar 29, 2016 in Earth Sciences
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New lenses to help in the hunt for dark energy

Since the 1990s, scientists have been aware that for the past several billion years, the universe has been expanding at an accelerated rate. They have further hypothesized that some form of invisible energy must be responsible ...

dateMar 21, 2016 in Astronomy
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Who discovered helium?

Scientists have understood for some time that the most abundant elements in the Universe are simple gases like hydrogen and helium. These make up the vast majority of its observable mass, dwarfing all the heavier elements ...

dateMar 15, 2016 in Materials Science
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