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The Ten Most Disturbing Scientific Discoveries
Scientists have come to some surprising conclusions about the world and our place in it. Are some things just better left unknown?
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Learn about Earth Day celebrations in your community
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What We Know From the Icelandic Volcano
Geologist Elizabeth Cottrell discusses the effects of the Icelandic volcanic eruption and the work of the Smithsonian’s Global Volcanism Program
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Air Pollution as Seen From the Skies
From Mt. Etna to China to the Sahara, these striking satellite images of air pollution are from both natural and man-made causes
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Paleontologists are looking to the fossil record to decipher what the earth’s atmosphere was like hundreds of millions of years ago
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More than 150 years after acid rain was first identified, scientists now see success in recovery from its damaging effects
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The marine ecologist and administrator of NOAA discusses restoring the bounty of the world’s oceans
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