Tag: "fossil" at biology news
Oldest juvenile skeleton discovered will help piece together human development
...s been discovered in the early part of the hominin fossil
record. The hyoid bone is located in the larynx, o...that drove changes in body form that we see in the fossil
record. "Most differences between humans and their ancestors can be associated with developmental c...
Professor earns carbon sequestration research grant
...st installment of the funding, Bush's lab will use fossil
pollen and charcoal evidence from lake sediments to reconstruct past changes in vegetation and determine fire. From these analyses they will evaluate the potential for carbon sequestration in Andean ecosystems. Carbon sequestration is long-term stora...
No guts, no worries
...ful adaptive lifestyle. "We have been dependent on fossil
fuels. In the future we need to adapt like this worm has and use a variety of different energy sources to ensure our needs can be met in a changing world."...
The first tree genome is published: Poplar holds promise as renewable bioenergy resource
...logically-based substitutes for gasoline and other fossil
fuels." "Biofuels are not only attractive for the...IENCE study. "Biofuels emit fewer pollutants than fossil
fuels such as gasoline. In addition, poplar and related plants are vital managers of atmospheric car...
Using microbes to fuel the US hydrogen economy
...well as escalating costs and the fact that burning fossil
fuels releases large amounts of carbon dioxide, a "greenhouse" gas, into the atmosphere. In contrast, burning hydrogen gas (for example, in a fuel cell) produces no pollution. And hydrogen, a constituent of water, is widely abundant. However, finding...
Ecological change, climate variation addressed at international conference, September 20-24
...sited from the atmosphere from human activity like fossil
fuel combustion. River-edge ecosystems affected ...enrichment vary Nitrogen deposition, a result of fossil
fuel combustion and agricultural runoff, is increasingly affecting natural areas. To understand how ...
Islands spark accelerated evolution
...sia, the Mediterranean, and the Pacific Ocean. The fossil
record suggests that these size changes occur rapi...he brisk pace of these changes may explain why the fossil
record harbors few examples of intermediate forms between the mainland ancestor and island descendan...
High-value chemicals produced from ethanol feedstocks could boost biorefinery economics
...by biorefineries cost competitive with traditional fossil
fuels. At the 232nd national meeting of the Amer...g to be as cost-effective as fuel from traditional fossil
sources," said Charles Eckert, a professor in the Georgia Tech School of Chemical and Biomolecular E...
Modern humans, not Neandertals, may be evolution's 'odd man out'
...off that. Trinkaus has spent years examining the fossil
record and began to realize that maybe researchers...estors the wrong way. Trinkaus combed through the fossil
record, identifying traits which seemed to be genetic markers those not greatly influenced by envir...
Ocean seep mollusks may share evolutionary history with other deep-sea creatures
...een debated for some time by scientists using both fossil
and genetic evidence. Kiel and Little decided to examine the fossil
record for modern seep mollusks to see how their history compared to that of the overall marine moll...
Workshop suggests turning problems into biofuels
...Texas," McCutchen said. Other workshops examined fossil
fuels for transportation, nuclear energy, electric power systems, energy efficiency and renewables and energy policy. Participants plan to write up their discussions for possible inclusion in the system's 2008 federal initiative process. ...
Good times ahead for dinosaur hunters, according to U of Penn scientist's dinosaur census
...ons to account for the sudden increase of dinosaur fossil
discoveries during the 1990s."The 1990s saw an 85% increase in the number of new fossil
discoveries," Dodson said. "The dinosaur field used to be the pursuit of white Anglo-Saxons, but, w...
3rd Annual AIBS, BSCS, NESCent Evolution Science and Education Symposium
...ndon. Dr. Jablonksi's research examines living and fossil
organisms to determine their environmental histories and the evolutionary significance of extinction events. Dr. Jablonski has published over 60 peer-reviewed scientific papers and edited three books on paleontology and evolutionary biology. Dr. ...
Ancient raptors likely feasted on early man, study suggests
... the skull of the Taung child, McGraw said. "This fossil
is probably the most written-about, studied and ha...or a long time," he said. "There are other primate fossil
collections around the world that may deserve a second look for evidence of wounds inflicted by rapt...
Insect predation sheds light on food web recovery after the dinosaur extinction
...viously thought, according to paleontologists. New fossil
evidence shows that at certain times and places, p...chers include Wilf; Conrad C. Labandeira, curator, fossil
arthropods, the Smithsonian Institution; and Kirk R. Johnson, vice president for research and colle...
Sturgeon's general warning: stable for now, but beware
... in each of the three articles. Sturgeons, whose fossil
record dates back 100 million years, are covered with bony plates and have a distinctive wedge-shaped snout with sensitive barbels, or tactile whiskers, to detect food in river-bottom sediment. Sutton's research shows that when a shovelnose sturgeo...
Burning wetlands unleash sequestered mercury in wake of climate change
...s naturally carry the mercury emitted from burning fossil
fuel and other industry northward, where it eventually settles on land or water surfaces. The cold, wet soils of the boreal forest region in Alaska and northern Canada have been efficient resting places for mercury. "When we walk across the surface...
More carbon dioxide may help some trees weather ice storms
...r will continue to rise as people continue to burn fossil
fuels and clear land for agriculture, and that this rise will help drive global warming. Carbon dioxide is widely thought to play a major role in global warming because it traps solar heat in the atmosphere, much as the glass in a greenhouse traps he...
Ancient Arctic water cycles are red flags to future global warming
...searchers measured carbon and hydrogen isotopes in fossil
plants remains and reconstructed the pattern of precipitation and characteristics of the ancient arctic water. "Our results told us a lot about the way that the large-scale water cycle is affected during global warming," said Mark Pagani, professor o...
Case Western Reserve University paleontologist discovers South American mammal fossils
...es of mammals found in South America today. The fossil
specimens were collected from the Quebrada Honda a...for 30 million years," said Croft. Although new fossil
species are usually found by excavation, during a 1999 paleontology conference in Bolivia, Croft fou...
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