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Earth's Worst Mass Extinction Preserved Ancient Footprints -
Triassic Tracks: Gallery of Ancient Reptiles' Footprints -
Mysterious, Wavelike Cloud Hugs Grand Teton Mountains (Photo)A bizarre sheet of clouds embraced the highest peak in the Grand Teton National Park in Wyoming last week, enchanting even the park's most seasoned visitors.
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Student Loans May Be Bad for Young Adults' Mental Health -
Haunting Space Bubbles Shine in Amazing Hubble Telescope PhotoOrange bubbles, blue patches, and red wisps of light dance in this NASA/ESA Hubble Space Telescope photo toward the constellation of Taurus.
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Americans Will Vote for Climate-Loving Politicians, New Poll SuggestsAmericans support government action to combat the effects of global warming and will likely vote for candidates who put forth a promising stance on environmental issues, a new poll has found.
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Lightning Electrifies Cyclone's Eye in Dramatic Space PhotoAstronaut Samantha Cristoforetti captured a jaw-dropping photo of Cyclone Bansi from the International Space Station.
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Mountain-Size Asteroid Flies By Earth Today: Watch It Online -
Why Rain Gives Off That Fresh, Earthy SmellEver wondered why the smell of fresh rain is so evocative? Using high-speed cameras, scientists have now identified the physical mechanism behind it.
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What's the Secret to Getting Kids to Eat Veggies? Let Them Play First!When recess takes place before lunch — as opposed to after — kids eat 54 percent more fruits and veggies, a new study shows.
