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Tag: "vents" at biology news

University of Cincinnati Biologists Find First Terrestrial Ecosystem That Survives Without Sun's Energy

...nstrate that the communities living arounddeep sea vents were chemoautotrophic. By comparing the distinct ratios of two carbon (12C and 13C)two nitrogen (14N and 15N) isotopes, the researchers were able totrace energy flow through the food web from the microbe producersthrough the intermediate grazers to t...

Worm Wizardry: World's Most Heat-Tolerant Creature Suggests Enzymes For Drugs OrIndustry, UD Prof Says

...tal plates are movingapart, creating hydrothermal vents and geysers that spew a hot, toxic brew ofhydrogen sulfide and heavy metals into the sea. Here, the four-inch-long Pompeiiworm, covered with fuzzy bacteria, builds its home. Cary and his colleagues tookAlvin close to worm tubes, and the pilot careful...

Poison-Eating Bugs Strike Gold

...ng off the mineral-rich streams from hydrothermal vents in the sea-floor. But these ones are from the surface, and are completely new to science." Scientists now think Australia harbours a multitude of poison-munching microbes, which could be used to render harmless a wide range of industrial and o...

ASU Scientists Join NASA Astrobiology Institute

...lleagues will be study the organicchemistry of hot vents of deep sea "black smokers" through a combination oftheoretical, lab-simulated and field-based methods. Holloway's goal is todetermine if life could have had an origin at high temperatures, a suggestion thathas recently been the focus of much interes...

Seeking Life At Its Limits Leads To Antarctica

...tions." By studying organisms that live in thermal vents and in areas such as the Arcticand Antarctic, according to Sanders, scientists can gain greater insight intohow they survive in such hostile locales. "This project, like others supported by the LExEn program, may have tie-ins withthe recent reports o...

Marine Life In South Pacific Region Found To Be Impervious To Oceans' Highest Arsenic Levels

...al's Website on March 11. Examining hydrothermal vents in the sea floor of Tutum Bay, adjacent to tinyAmb...y higharsenic concentrations" discharging from the vents into the water with the forceof a fire hose. The measured arsenic levels were more than 400 times ...

Study shows that hydrothermal vents release mercury

Hydrothermal vents on the ocean floor release mercury into the sea, g...d rock samples gathered last year fromhydrothermal vents in the Bay of Plenty off the coast of New Zealand. Analysisof the samples showed that the vents rele...

Tube worms in deep sea discovered to have record long life spans

...isher, professor of biology. "The hot hydrothermal vents are a much more vigorous, variable, andephemeral e...ydrocarbon seeps," Fisher says. Boththe seeps and vents are regions on the ocean floor where fluids rising fromthe Earth's crust are breaking through and mi...

Unusual mussels may use whale bones en route to hot sea-floor vents

... the evolution of the unusual animals found at hot vents on the deep-sea floor. The study, co-authored by g...ertidal zone. How and when mussels first colonized vents has remained a mystery. By examining the DNA signatures of many different types of mussels, the auth...

Microbial transport at Yellowstone: by land, sea or air?

... might fly on droplets of steam rising from active vents or on bits of sediment blowing from dried springs. They might even hitchhike on the feet of bison, birds or other animals moving from one spring to another. "Where an established spring runs into a new source, the microbes may be directly transpor...

Huge new hydrothermal vent system found on seafloor

...e evolution of the mountain itself as we study the vents carefully in the future." Observations using the submersible Alvin and deep-towed Vehicle Argo, operated by Woods Hole Oceanographic Institution, show that the field hosts numerous active and inactive hydrothermal vents. The steep-sided, 180-foot-t...

New group of microorganisms discovered in the open sea

...eme environments such as high-temperature volcanic vents on the ocean floor, continental hot springs and fumeroles, and highly salty or acidic waters. Now, scientists funded by the National Science Foundation (NSF) have found unexpected, astounding numbers of archaea living in Earth's largest biome, the op...

Scientists determine how chemistry keeps weird worms "out of hot water" at steaming deep-sea vents

... maintained by hydrothermal vents. If hydrothermal vents exist on Europa, theres a possibility that ancient microbes could live there, too."...

Researchers pinpoint how tubeworm babies are dispersed to colonize new vent sites

...ature. Hydrothermal vents are very ephemeral. These underwater volcanoes app...s of water that rise 175 meters (574 ft) above the vents as the super-heated water rockets out of the Earth and mixes with the cold seawater. Then deep-se...

Krauss book explores universe from oxygen atom's perspective

...ven today deep within the oceans near heated earth vents and well-protected from such catastrophes that may have annihilated many species over the past four billion years of earth's history, including the loss of dinosaurs. These catastrophes also helped to give rise to new life forms that could co-exist i...

July media highlights: GEOLOGY and GSA TODAY

...arc in northern California. Young lavas from seven vents defining a 75-km-long, east-west transect across the Cascades volcanic arc in Northern California were analyzed to determine their temperatures and depths of melting. The increase in melting depth across the arc parallels modeled surfaces of constant...

Rutgers-led researchers discover new photosynthetic bacteria that appear to be significant component of ocean's carbon cycle

...e presence of the strange bacteria at hydrothermal vents on the ocean floor in the northeast Pacific. ...ight generated by the superheated water in thermal vents and chemical processes taking place around them would provide a good environment for the photosynthe...

August media highlights GEOLOGY and GSA TODAY

...orking of modern-day "black smokers" (hydrothermal vents on the seafloor) and the chemistry of ancient seawater. Geochemical studies of the Panorama district copper-zinc deposits indicate that many of the metals--including copper, zinc, lead, barium, molybdenum, and sulfur--were leached from volcanic rocks...

'Gold Bug' sheds light on how some gold deposits formed

... solution in some thermalsprings, and hydrothermal vents on the ocean floor," Lovley said. "Theproblem is that the gold is extremely diluted, so only a teeny amount isdispersed in a very large volume of water." "There are waste streams from gold processing where this same reductionprocess might work on a l...

Magazine article by Rutgers researcher details revival of life after deep-sea volcanic eruption

.... -- The rapid revival of life around hydrothermal vents on the floor of the Pacific Ocean after a lava flo...st encountered the strange ecology of hydrothermal vents in the late 1970s off the coast of the Galapagos Islands. On a subsequent expedition in 1991 to hyd...

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(Date:11/25/2009)... air on flesh that mimicked parts of speech colore...v. 25 (HealthDay News) -- People can "hear" not on...research shows. , In fact, sensations on the sk...lly helped people decipher sounds better, the Cana...le to show whether we could use tactile informatio...
(Date:11/25/2009)... Initiative expands to include cost-effective...hers, and healthcare professionals in developing w...RWEB) November 25, 2009 -- Elluminate, Inc. , the...g solutions that support 21st century teaching, l...ts Fire and Ice initiative was awarded iNACOL,s...
(Date:11/25/2009)...ov.25/PRNewswire-FirstCall/--TheAdvisoryBoardCompa...teinthe21stAnnualPiperJaffrayHealthCareConferencei...009at3:00PM(EST),willbetheCompany,sChiefExecutiveO...ancialOfficer,MichaelT.Kirshbaum.Thepresentationma...t http://www.advisoryboardcompany.com ,throughDece...
(Date:11/25/2009)...ich.,Nov.25/PRNewswire/--TwomoreH1N1vaccineclinics...5,theMacombCountyHealthDepartmentannouncedtoday.Th...omHillCountyParkinSterlingHeights. ,, TheDec.3c...rom9a.m.to3p.m.Thethimerosol-freeversionoftheinjec...eslast.Bothinjectableandnasalsprayimmunizationwill...
(Date:11/25/2009)...rgestDonationEverMadeinSupportofFeedingAmerica,sSN...-USNewswire/--FeedingAmerica,thenation,slargesthun...ationfromtheBankofAmericaCharitableFoundationtosup...icanswiththeSupplementalNutritionAssistanceProgram...llbeusedtohelpFeedingAmericafoodbanksimproveaccess...
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