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Tag: "fossil" at biology news

Soils offer new hope as carbon sink

...eenhouse gas on a global scale than the burning of fossil fuels. "So it is not surprising there is so much interest in a technology to create clean energy that also locks up carbon in the soil for the long term and lifts agricultural production," he said. The trials at Wollongbar have focused on the b...

Researchers examine carbon capture and storage to combat global warming

...he notion is that the sooner we wean ourselves off fossil fuels, the sooner we'll be able to tackle the clim...urces engineering. ''But the idea that we can take fossil fuels out of the mix very quickly is unrealistic. We're reliant on fossil fuels, and a good pathway ...

CT scan reveals ancient long-necked gliding reptile

Close up CT scan, composite image of fossil gliding reptile Mecistrotrachelos apeoros. Curved ...al resolution of all of the bones. Because this fossil has been identified and named from CT scan, one benefit is that the bones themselves have not been d...

Ice Age extinction claimed highly carnivorous Alaskan wolves

...e researchers extracted mitochondrial DNA from the fossil wolf bones preserved in permafrost and compared the sequences, called haplotypes, with those of modern-day wolves in Alaska and throughout the world. The fossils showed a wide range of haplotypes—greater in fact than their modern counterpart—but ther...

Lessons from the orangutans: Upright walking may have begun in the trees

...es. But, this distinction is complicated by recent fossil evidence that some early hominins, including Lucy ( Australopithecus afarensis ), lived in woodland environments, while even earlier forms such as Millennium Man ( Orrorin ) appear to have lived in the forest canopy and moved on two legs. "Our fin...

How to look at dinosaur tracks

...te that great care should be taken when describing fossil footprints that have been exposed to subaerial erosion, because the shape, dimensions, and general appearance of the footprint become seriously altered by erosion.? Geologists also must account for whether the step was taken on a sloped surface or ...

An ancient bathtub ring of mammoth fossils

...ues have identified 62 sites of known or suspected fossil finds and have verified and collected additional material and information at eight of them, including two so far this spring. They presented three seasons?worth of fieldwork Saturday during the Geological Society of America regional meeting at Wester...

Confirmed -- deforestation plays critical climate change role

...arbon that would be released by 13 years of global fossil fuel combustion. So maintaining forests as carbon ...e release of the equivalent of six years of global fossil fuel emissions." Reducing deforestation is just one of a portfolio of mitigation options needed t...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...assive sulphide mining sites. "Over 250 active and fossil deposits have already been found. And the company operating in Papua New Guinea has already staked claims off the coast of Tonga and Fiji," he says. "If this first attempt at mining proves successful, it’s like letting the genie out of the bottle."...

Improved predictions of warming-induced extinctions sought

...ar on the problem, especially information from the fossil record of Quaternary ice ages. The authors acknowl... species might in fact be more vulnerable than the fossil record indicates. ...

Genome sequencing reveals key to viable ethanol production

...s the promise of a clean, renewable alternative to fossil fuels, but deriving it from plants is difficult. Producing it from corn is the easiest method, but doing so on a large scale would drive up the price of corn, corn starch, and even tangential foods like beef, since cows are fed on corn—not to mention...

Super-fermenting fungus genome sequenced

...making biofuels more economically competitive with fossil fuels, there are significant potholes to negotiate. For cellulosic ethanol production, one major detour has being addressed with the characterization of the genetic blueprint of the fungus Pichia stipitis, by the U.S. Department of Energy Joint Geno...

Biodiesel study targets cleaner air, cleaner engines

...has the potential to reduce Canada's dependence on fossil fuels, provide great environmental benefits and increase market opportunities for Canadian oilseed producers." "Our Government is committed to encouraging the development and use of renewable fuels," said the Honourable Gary Lunn, Minister of Natur...

Despite their heft, many dinosaurs had surprisingly tiny genomes

...d birds, whose bone cells can be measured from the fossil record. The researchers, at Harvard University and the University of Reading, were led by Chris Organ and Scott V. Edwards, both at Harvard. They report their findings this week in the journal Nature. "We see distinct differences between two ma...

Massive coral death attributed to earthquake

... processes that until now we could only explore on fossil reefs" says Dr Baird. Dr Campbell adds "The news from Simeulue is not all bad. At many sites, the worst affected species are beginning to re-colonize the shallow reef areas. The reefs appear to be returning to what they looked like before the eart...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...The scraps of dinosaur protein were wrested from a fossil femur discovered by John Horner, of the Museum of ...ecies," said Cantley. Still, it may be the rare fossil that is as pristinely preserved by the environment as the T. rex and mastodon specimens analyzed in ...

Shedding new light on proteorhodopsin

...icant boost for efforts to develop alternatives to fossil fuel energy sources. Microbes that can simultaneously harvest energy from several different sources may be better at producing biofuels than microbes that can only utilize a single energy source. The results of this study appear in a paper publis...

Ancient amphibians evolved a bite before migrating to dry land

...y ancestors, we were able to determine whether the fossil species fed by suction or by biting." Using thi...s, suggesting that, ironically, direct analysis of fossil jaws would be a less precise means of determining the feeding methods of extinct species, Markey say...

Paleontologists discover new mammal from Mesozoic Era

...nodon allini after the Yan Mountains in Hebei, the fossil was unearthed in the fossil-rich beds of the Yixia...he first Mesozoic mammal recovered from Hebei. The fossil site is about 300 kilometers outside of Beijing. The researchers discovered that the skull of Yan...

Hofmeyr skull supports the 'Out of Africa' theory

...e, the skull fills a significant void in the human fossil record of sub-Saharan Africa from the period betwe... changed that. The surprising similarity between a fossil skull from the southernmost tip of Africa and similarly ancient skulls from Europe is in agreement w...

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