News tagged with extinct species
Late-surviving megafauna exposed by ancient DNA in frozen soil
Extinct woolly mammoths and ancient American horses may have been grazing the North American steppe for several thousand years longer than previously thought. After plucking ancient DNA from frozen soil in ...
Dec 15, 2009 |
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The mammoths' swan song revised
This is shown by samples of ancient DNA, analysed by an international team of research scientists under the leadership of Professor Eske Willerslev from Copenhagen University. Analyses of ancient DNA thereby ...
Other Sciences / Archaeology & Fossils
Dec 14, 2009 |
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Europe's flora is becoming impoverished
With increasing species richness, due to more plant introductions than extinctions, plant communities of many European regions are becoming more homogeneous. The same species are occurring more frequently, ...
Dec 11, 2009 |
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DNA study sheds new light on horse evolution
(PhysOrg.com) -- Ancient DNA retrieved from extinct horse species from around the world has challenged one of the textbook examples of evolution - the fossil record of the horse family Equidae over the past ...
Dec 10, 2009 |
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Killer fungus threatening amphibians
Amphibians like frogs and toads have existed for 360 million years and survived when the dinosaurs didn't, but a new aquatic fungus is threatening to make many of them extinct, according to an article in the ...
Nov 23, 2009 |
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Scientists find frog legs trade may facilitate spread of pathogens
Most countries throughout the world participate in the $40-million-per-year culinary trade of frog legs in some way, with 75 percent of frog legs consumed in France, Belgium and the United States. Scientists ...
Nov 19, 2009 |
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Bacteria expect the unexpected: Scientists observe the emergence of a new adaptation strategy
Organisms ensure the survival of their species by genetically adapting to the environment. If environmental conditions change too rapidly, the extinction of a species may be the consequence. A strategy to ...
Nov 04, 2009 |
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Over 1,000 fish species 'threatened with extinction'
More than 1,000 freshwater fish species are threatened with extinction, reflecting the strain on global water resources, an updated global "Red List" of endangered species showed Tuesday.
Nov 03, 2009 |
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Ancient Lemurs Take Bite Out of Evolutionary Tree (w/ Video)
(PhysOrg.com) -- About 40 miles outside Cairo, Egypt, National Science Foundation-supported paleontologists from three American universities are revealing features of a newly discovered African primate and ...
Other Sciences / Archaeology & Fossils
Oct 21, 2009 |
3.2 / 5 (6) |
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Researcher studies monkeys in Africa to better understand virus evolution
(PhysOrg.com) -- Despite the importance of AIDS in human health, scientists still know very little about the diversity and ecology of AIDS-like viruses in nature.
Medicine & Health / HIV & AIDS
Oct 07, 2009 |
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10 percent of world's major species at threat: report
Almost 10 percent of the world's mammals, birds, reptiles, amphibians and fish are in danger of extinction due to climate change and other factors, according to an Australian report released Tuesday.
Sep 29, 2009 |
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Fanged frog, 162 other new species found in Mekong
(AP) -- A gecko with leopard-like spots on its body and a fanged frog that eats birds are among 163 new species discovered last year in the Mekong River region of Southeast Asia, an environmental group said ...
Sep 25, 2009 |
3.7 / 5 (6) |
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Web page ranking algorithm detects critical species in ecosystems
Google's algorithm for ranking web-pages can be used to determine which species are critical for sustaining ecosystems. Drs. Stefano Allesina and Mercedes Pascual find that "PageRank" can be applied to the study of food webs, ...
Sep 04, 2009 |
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Feds review mountain-dwelling pika for threatened-species list
Pikas don't ask much. With brave squeaks, belted out from atop their rock piles, they defend their realm in the talus slopes way up here in the mountains, more than a mile in the sky, far from anyone, anywhere.
Aug 31, 2009 |
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Extinction crisis looms in Oceania: study
Governments must act urgently to halt loss of habitats and invading species that are posing major threats to biodiversity and causing species extinctions across Australia, New Zealand and the Pacific Islands, according to ...
Jul 28, 2009 |
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