Jaws -- 4 million BC
It might sound like a mashup of monster movies, but palaeontologists have discovered evidence of how an extinct shark attacked its prey, reconstructing a killing that took place 4 million years ago.
Archaeology
Mar 16, 2010
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Page 39 - News tagged with extinct species
Scientists tease DNA from eggshell of extinct birds
(PhysOrg.com) -- In a world first, scientists in Australia announced on Wednesday they had extracted DNA from the fossilised eggshells of extinct birds, including iconic giants such as the moa and elephant bird.
Biotechnology
Mar 9, 2010
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Early humans caused extinction of Australia's giant animals
(PhysOrg.com) -- The mass extinction of Australia's giant animals, such as huge kangaroos and rhinoceros-sized wombats, might have been more rapid than previously thought, according to new research from the University of ...
Archaeology
Jan 28, 2010
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New evidence links humans to megafauna demise
(PhysOrg.com) -- A new scientific paper co-authored by a University of Adelaide researcher reports strong evidence that humans, not climate change, caused the demise of Australia's megafauna -- giant marsupials, huge reptiles ...
Plants & Animals
Jan 21, 2010
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Study shows loss of 15-42 percent of mammals in North America
If the planet is headed for another mass extinction like the previous five, each of which wiped out more than 75 percent of all species on the planet, then North American mammals are one-fifth to one-half the way there, according ...
Ecology
Dec 17, 2009
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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 central Alaska, ...
Biotechnology
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 once again revoke ...
Archaeology
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, whereas rare species ...
Ecology
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 55 million years.
Evolution
Dec 10, 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 successfully cope ...
Cell & Microbiology
Nov 4, 2009
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