News tagged with extinct species
Earth's massive extinction: The story gets worse
Scientists have uncovered a lot about the Earth's greatest extinction event that took place 250 million years ago when rapid climate change wiped out nearly all marine species and a majority of those on land. ...
Space & Earth / Earth Sciences
Jan 05, 2012 |
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The winners of mass extinction: With predators gone, prey thrives
In modern ecology, the removal or addition of a predator to an ecosystem can produce dramatic changes in the population of prey species. For the first time, scientists have observed the same dynamics in the ...
May 02, 2011 |
4.8 / 5 (6) |
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Algae and bacteria hogged oxygen after ancient mass extinction, researchers say
(PhysOrg.com) -- After the biggest mass extinction in Earth's history -- 250 million years ago -- ocean algae and bacteria rebounded so fast that they consumed virtually all the oxygen in the sea, slowing ...
Space & Earth / Earth Sciences
Mar 25, 2011 |
4.8 / 5 (6) |
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Taking the temperature of the ancient earth
(PhysOrg.com) -- A new technique has allowed scientists to pin down the timing of ancient glaciations, linking them more firmly to two bursts of extinction.
Space & Earth / Earth Sciences
Mar 08, 2011 |
4.5 / 5 (10) |
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Has the Earth's sixth mass extinction already arrived?
With the steep decline in populations of many animal species, from frogs and fish to tigers, some scientists have warned that Earth is on the brink of a mass extinction like those that occurred only five times ...
Mar 02, 2011 |
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Giant snakes, fish among spectacular species found in Amazon
Spectacular species previously unknown to the outside world are being discovered in the Amazon rainforest at a rate of one every three days, environment group WWF said in a report published Tuesday.
Oct 26, 2010 |
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Study documents widespread extinction of lizard populations due to climate change
A major survey of lizard populations worldwide has found an alarming pattern of population extinctions attributable to rising temperatures. If current trends continue, 20 percent of all lizard species could ...
May 13, 2010 |
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Resurrected mammoth blood very cool (w/ Video)
(PhysOrg.com) -- A team of international researchers has brought the primary component of mammoth blood back to life using ancient DNA preserved in bones from Siberian specimens 25,000 to 43,000 years old.
May 03, 2010 |
4.8 / 5 (15) |
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Scientists 'rebuild' giant moa using ancient DNA
(PhysOrg.com) -- Scientists have performed the first DNA-based reconstruction of the giant extinct moa bird, using prehistoric feathers recovered from caves and rock shelters in New Zealand.
Jul 01, 2009 |
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Fossil magnetism helps prove mass extinction theory
(PhysOrg.com) -- Were major extinction events real biological catastrophes or were they merely the result of gaps in the fossil record? Research by a team of geologists from the Universities of Bristol, Plymouth, ...
Space & Earth / Earth Sciences
May 04, 2009 |
4.7 / 5 (12) |
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Dinosaurs declined before mass extinction
Dinosaurs were dying out much earlier than the mass extinction event 65 million years ago, Natural History Museum scientists report in the Proceedings of the Royal Society journal today.
Other Sciences / Archaeology & Fossils
Apr 30, 2009 |
4.2 / 5 (15) |
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Fossils suggest earlier land-water transition of tetrapod
New evidence gleaned from CT scans of fossils locked inside rocks may flip the order in which two kinds of four-limbed animals with backbones were known to have moved from fish to landlubber.
Other Sciences / Archaeology & Fossils
Apr 17, 2009 |
4.2 / 5 (10) |
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Hair of Tasmanian Tiger Yields Genes of Extinct Species
All the genes that the exotic Tasmanian Tiger inherited only from its mother will be revealed by an international team of scientists in a research paper to be published on 13 January 2009 in the online edition ...
Biology /
Jan 12, 2009 |
4.8 / 5 (4) |
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Giant bird feces records pre-human New Zealand
(PhysOrg.com) -- A treasure trove of information about pre-human New Zealand has been found in faeces from giant extinct birds, buried beneath the floor of caves and rock shelters for thousands of years.
Biology /
Jan 12, 2009 |
4.6 / 5 (11) |
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There's not always safety in numbers when it comes to extinction risk
A basic tenet underpinning scientists' understanding of extinction is that more abundant species persist longer than their less abundant counterparts, but a new University of Georgia study reveals a much more complex relationship.
Other Sciences / Archaeology & Fossils
May 08, 2012 |
5 / 5 (3) |
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