News tagged with bears
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Study reveals how Arctic food webs affect mercury in polar bears
Dec 08, 2009 |
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With growing concerns about the effects of global warming on polar bears, it's increasingly important to understand how other environmental threats, such as mercury pollution, are affecting these magnificent Arctic animals.
Probing Question: What are wildlife corridors?
Dec 10, 2009 |
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Imagine that an unknown force hacks your city into two chunks. Because of this new barrier, you can’t get from your home to your office or the grocery store. Suddenly, your access to critical resources is ...
'Extreme' genes shed light on origins of photosynthesis
Dec 11, 2009 |
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(PhysOrg.com) -- While most school children understand that green plants photosynthesize, absorb carbon dioxide and produce oxygen, few people consider the profound global-scale effects that photosynthesis has had on Earth. ...
New Study Turns Up the Heat on Soot's Role in Himalayan Warming (w/ Video)
Space & Earth / Earth Sciences
11 hours ago |
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(PhysOrg.com) -- Soot from fire in an unventilated fireplace wafts into a home and settles on the surfaces of floors and furniture. But with a quick fix to the chimney flue and some dusting, it bears no impact ...
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