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Climate Change Risks Are Real, Warn Economists and Scientists -
100 Years Later: Remembering the Passenger PigeonThough once one of the most abundant birds on Earth, the passenger pigeon went extinct due to overhunting in 1914.
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Images of Rare Passenger Pigeon Museum Specimens
Passenger pigeons went extinct in 1914, but their legacy lives on in museum collections.
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Secret to Ancient Sloths' Aquatic Lives FoundAquatic sloths once crawled the coast of Peru with dense bones that helped the animals sink to shallow seafloors and graze on vegetation.
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Light Pollution Changes Bat Behavior, Threatens Rainforest RegrowthLight pollution in tropical rainforests disturbs seed-dispersing bats, potentially slowing regeneration of certain forests.
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New Ozone-Destroying Chemicals Discovered in AtmosphereResearchers have found four new substances in the stratosphere capable of depleting the ozone layer.
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Guts of Galapagos Volcano Revealed in 3D ImagesNew 3D images from beneath a volcano in the Galapagos Islands show how these volcanoes differ from those in Hawaii.
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Redwood Poaching Prompts Park Service to Close RoadsRedwood poaching is increasingly a problem in the national and state parks of northern California.
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New Maps Show Seismic Vulnerabilities of Eastern USDifferent regions of the United States are more susceptible to earthquakes than others, and now a new map helps pinpoint the regions most prone to seismic shock waves.
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Iguanas Have Oldest Reptilian Sex Chromosome -
Woolly Mammoth or Thylacine? New Guide Helps Choose Which Species to Resurrect -
Viral Video: Whale Smacks Girl in HeadDuring a calm whale watching trip in a Mexican lagoon last week, a woman got smacked in the head with a tail fin.
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Juvenile Seal Returns to the Sea After Month in Rehab (Video)Snow, a juveniles harp seal found in critical condition last month, made his way back into the Gulf of Maine yesterday (Feb. 26) after a month of rehabilitation.
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Images: Rehabilitated Harp Seal Returned to Wild
A juvenile harp seal returns to the Gulf of Maine after a month-long rehabilitation session.
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Watery Graveyard: Fossils Reveal 1st Evidence of Mass Marine Die-Offs -
In Images: Marine Fossils from an Ancient Mass Die-Off
Scientists have found the first fossil evidence of a mass-stranding.
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In Images: Massive Landslide Falls in AlaskaA pilot has captured the first images of what geologists believe could be the largest landslide since 2010.
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Huge Landslide Photographed in AlaskaA pilot in Alaska has provided the first images of a landslide that occurred last week and that may be the largest since 2010.
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Winter Comes Back: Return of the Polar Vortex?The United States braces itself for another bout of Arctic air next week. We explain where that air is coming from and why it is considered part of what is known as a "polar vortex."
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Impressively Massive Landslide Detected in Remote AlaskaA landslide that occurred last weekend in Alaska may be the largest one to occur since 2010, scientists say.
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Tadpoles Turn to Cannibalism Only When DesperateTadpoles choose to eat other tadpoles when alternative food sources are scarce, but otherwise try to avoid eating their own kin, a new study shows
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Billionaire To Fund Ads For Climate Action in 2014 Election -
'Acne Bacteria' Hopped from Humans to GrapevinesIn the first-ever example of a bacterium transferring from humans to plants, researchers have discovered a bacterium growing on grapevines that is related to the pathogen that gives humans acne.
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New Maps Show How Habitats May Shift with Climate Change
