News tagged with prehistoric ancestors
Prairie dogs: influencing the accumulation of metals in plants?
Jun 23, 2009 |
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Prairie dogs may seem like harmless little creatures, but they can inflict serious injury on plants simply by snacking on them. Plants cannot flee from their furry predators, so how do they avoid becoming ...
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The deciding factor: Empathy distinguishes modern humans from their primate ancestors
14 hours ago |
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(PhysOrg.com) -- What, exactly, distinguishes humans from apes? It’s certainly more than just our genes, renowned anthropologist Sarah Blaffer Hrdy told a Harvard audience recently (Nov. 18).
Overeating can set stage for obesity, researchers say
Nov 27, 2009 |
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It doesn't seem like a fair fight. In one corner loomed the Thanksgiving table, groaning with poultry, pie and mashed potatoes.
Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago
Space & Earth / Earth Sciences
Nov 23, 2009 |
4.5 / 5 (17) |
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A new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the epicenter, ...
Gene mismatch influences success of bone marrow transplants
Nov 22, 2009 |
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A commonly inherited gene deletion can increase the likelihood of immune complications following bone marrow transplantation, an international team of researchers reports in the November 22 advance online issue of Nature Ge ...
The Worm That Turned Evolutionary Key
Nov 20, 2009 |
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(PhysOrg.com) -- The Keelworm, widespread in the seas and tide-pools around Scotland and the rest of the UK, is unwittingly helping scientists at the University of St Andrews to understand the evolution of modern animals.
Biologists save fish after landslide
Nov 20, 2009 |
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(AP) -- A gigantic landslide that buried a highway, uprooted homes and rerouted a river in Washington state's Cascade Range left hundreds of smaller victims: fish.
Probing Question: What is a heritage turkey?
Nov 19, 2009 |
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(PhysOrg.com) -- Over 45 million turkeys are eaten by Americans each Thanksgiving, according to the U.S. Department of Agriculture. Hunters provide some -- last autumn, about 24,000 wild turkeys were harvested ...
The benefits of stress ... in plants
Nov 19, 2009 |
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Chronic stress in humans has been implicated in heart disease, weight gain, and diabetes, among a host of other health problems. Extreme environments, a source of chronic stress, present a challenge even for the hardiest ...
Extinct moa rewrites New Zealand's history
Other Sciences / Archaeology & Fossils
Nov 18, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- The evolutionary history of New Zealand's many extinct flightless moa has been re-written in the first comprehensive study of more than 260 sub-fossil specimens to combine all known genetic, ...
Japanese researchers film rare baby fish 'fossil'
Nov 17, 2009 |
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Japanese marine researchers said Tuesday they had found and successfully filmed a young coelacanth -- a rare type of fish known as "a living fossil" -- in deep water off Indonesia.
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