Tag: "geological" at biology news

Scientists believe ancient arachnids may have spun silk like modern spiders

...aid Cary R. Easterday, a masters degree student in geological sciences at Ohio State. I suspect that other micro...n in Washington, D.C., and an adjunct professor of geological sciences at Ohio State. Trigonotarbids were predators, so its possible that they used silk to trap p...

Abandoned penguin colonies may help refine Antarctic climate studies

...efined or detailed picture of climate over shorter geological time scales. "The evidence from these colonies can help refine those other records," said Emslie. "They are adding a higher resolution to the climatic record in Antarctica." The National Science Foundation (NSF) funded Emslie's work, which was publis...

Researchers find mechanism bacteria use to target specific chemical contaminants

...r, a study co-author and an assistant professor of geological sciences at Ohio State. "Petroleum products are one of the main chemicals found in toxic waste dumps. "Also, there's little to no oxygen in these underground sites, so the bacteria have to adapt to anaerobic conditions," said Lower, who is also a pro...

AGI publishes 42nd edition of Directory of Geoscience Departments

...r are of interest to geoscientists, all U.S. state geological surveys, field-camp information, and faculty e-mail addresses. Other valuable features include departments that are AGI Academic Associates, the year of the most recent departmental update, and the most recent enrollments and degrees granted. Two s...

A joint effort against the Oriental boil

... humanities and the social sciences as well as the geological sciences and physics. A total of 21.5 million euros have been spent on this programme. Because of the political uncertainties, it was temporarily discontinued in April 2001. In the meantime the number of new applications has once again approached the...

Pollution history documented through shell remains provides tool to study ecosystem change

...McLean Tysons Corner. Co-authors are Virginia Tech geological sciences professor Michal Kowalewski, biology professor Donald Cherry, fisheries and wildlife professor Richard Neves, and geosciences professor Madeline Schreiber. Brown, who received her undergraduate degree in biology from the University o...

Improved crop production and fewer greenhouse gases

...Oceanography, and master's and doctoral degrees in geological sciences from Columbia University....

Best way to clean up toxic plumes? Give 'em a pill

...ank Schwartz, a study co-author and a professor of geological sciences at Ohio State University. Like salt, potassium permanganate is granular and dissolves when it comes into contact with water. "There's often no control over where the potassium permanganate goes once it's pumped into an injection well," Schwa...

UF study: Barren Siberia, of all places, may be original home to animal life

...ngly unrelated findings on trilobite evolution and geological history, UF's Joe Meert and KU's Bruce Lieberman concluded that precursors to modern continents began splitting off from a giant supercontinent at the South Pole about 580 million years ago, migrating north toward the equator for about 80 million yea...

New method for determining age of artifacts fills chronological gap for scientists

...he technique may also have applications for dating geological events, such as an earthquake rupture, which would cause natural fracturing of quartz. "What is so exciting about quartz hydration dating is that it opens up the possibilities of dating other minerals, which could lead to a whole new class of materi...

National Academies news: 72 new members chosen by academy

...Arbor KENT, DENNIS V. ; professor, department of geological sciences, Rutgers, The State University of New Jer... Osdol Professor of Planetary Science, division of geological and planetary sciences, California Institute of Technology, Pasadena (New Zealand) TSUI, LAP-CHE...

Guiding gas exploration: U-M research offers inexpensive tool

...Intosh and coauthors Lynn Walter, U-M professor of geological sciences, and Anna Martini, assistant professor of geology at Amherst College, studied Antrim Shale deposits in the Michigan Basin, a deep depression filled with sediments that date back to the Paleozoic Era. While thermogenic gas forms far below the...

Discovery offers clues to origin of life

...volcanic rock and one of earth's earliest signs of geological existence sheds new light on the antiquity of life...sting a few million years, perhaps until the usual geological processes buried and cooked them." Despite challenges to previous research claiming evidence of life...

Virginia Center for Coal and Energy Research helps implement global climate change initiative

...stration. Virginia Tech will pinpoint CO2 sources, geological and terrestrial sinks, and transport requirements in Virginia, and will create a geographical information system (GIS) database using this information. The university has received $447,700 in funding as its portion of the 18-month project, which ends...

Mysterious beach closures may be linked to contaminated groundwater, study finds

... co-author Adina Paytan, an assistant professor of geological and environmental sciences at Stanford. ''What we've found is that sand is really not a filter or a barrier.'' The discovery that contaminated groundwater can discharge into the ocean and mix with coastal seawater may help explain some of the mysteri...

Physics tip sheet #42

...les. The information can be useful for analysis of geological processes in this huge reservoir beneath the Sahara desert. (Paper F3 9, www.aps.org/meet/DAMOP04/baps/abs/S160009.html ) iv) Frontiers in Cold Quantum Gases Several leading researchers will present the latest from the strange realm of ultracold ...

Evidence of nanobacterial-like structures found in human calcified arteries and cardiac valves

...re characteristics of nanoparticles recovered from geological specimens, mammalian blood, and human kidney stones, and observed by transmission electron microscopy in a calcified human mitral valve." Furthermore, they said they designed their study to systematically replicate earlier work conducted on nanopart...

Continents played key role in collapse and regeneration of Earth's early greenhouse, geologists say

...and in hand,'' said Donald R. Lowe, a professor of geological and environmental science who wrote the paper with Michael M. Tice, a graduate student investigating early life. NASA's Exobiology Program funded their work. ''In the geologic past, climate and atmosphere were really profoundly influenced by developm...

Volcanic soils yield new clues about the emergence of powerful chiefdoms in Hawaii

...ucive to sweet potato cultivation. Kohala's recent geological history offered several tantalizing clues. The volcano was built 150,000 to 400,000 years ago by a series of violent eruptions that spewed out rock rich in phosphorus, calcium and other minerals essential for plant growth. To find out if large concen...

Origin of West Indian insect eater much older than previously thought

...ons of the fossil record and closely reexamine the geological record to see how these creatures got to their current habitat, and when, Springer said. "It's like a puzzle with a few more pieces now answered but a lot of pieces still missing," he added. ...

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