Sentences with phrase «of hydrothermal vents in»

«We had coffee with a self - effacing chap who'd discovered a number of hydrothermal vents in the North Atlantic (he fears the imminent deep - sea mining of polymetallic sulfides in international waters — says we're «right on the edge» of that tech taking off).»
While symbiotic relationships in coral reefs have been known for some time, the discovery of hydrothermal vents in 1977 has spurred an interest in symbiotic relationships, and led to their recognition in many other types of habitats, such as mangrove swamps, mud flats, and sewage outlets.
Other manned submersibles can not dive deeper than about seven kilometers, says Lutz, who has made more than 85 underwater voyages on board the mini sub Alvin and was part of the first deep - sea exploration of hydrothermal vents in 1979, when he was a postdoc at Yale University.
Clague's and Vrijenhoek's dives revealed at least three different types of hydrothermal vents in the southern Gulf of California — black smokers, carbonate chimneys, and hydrothermal seeps.
In spring 2015, MBARI researchers discovered a large, previously unknown field of hydrothermal vents in the Gulf of California, about 150 kilometers (100 miles) east of La Paz, Mexico.

Not exact matches

Bacteria thrive virtually everywhere on Earth — from sub-zero temperatures to over 750 degrees F (in hydrothermal vents at the bottom of the ocean), and in widely varying oxygen, pressure and nutrient conditions.
The Faulty Towers complex is the largest array of chimneys in the Mothra hydrothermal vent field.
Further calculations by Catling and his team conclude that no abiotic methane sources on a rocky planet could produce enough of the gas to counteract this process — whether it is volcanic outgassing from a planet's interior, chemical reactions in hydrothermal vents, even asteroid impacts.
We found that the particles seen in our images, which were droplets of ocean only hours earlier, bore evidence of large organic molecules and compounds that indicated hydrothermal activity similar to that observed at deep - sea vents on Earth's seafloor.
Since then, many other possible crucibles have been identified: deep underground, in the open ocean, by hydrothermal vents on the ocean floor, on a radioactive beach and on the surface of a lump of clay.
These micrometer - scale structures are probably remnants of microorganisms that once lived amidst ancient hydrothermal vents, researchers suggest March 1 in Nature.
Many of the sub's 4,664 dives have made history: Alvin surveyed Titanic's wreckage in 1986, the first known hydrothermal vents in the 1970s, and the BP oil spill in 2010.
SIGNS OF LIFE In rocks left over from ancient hydrothermal vents, these microscopic tubes of hematite, an ore of iron, may be remnants of early microbeOF LIFE In rocks left over from ancient hydrothermal vents, these microscopic tubes of hematite, an ore of iron, may be remnants of early microbeof hematite, an ore of iron, may be remnants of early microbeof iron, may be remnants of early microbeof early microbes.
She describes her project as studying hyperthermophilic archaea, the living occupants of deep - sea hydrothermal vents that survive in extreme heat, pressure, and chemical toxicity.
Biochemists have managed to synthesise 10 of them in experiments that simulate lifeless prebiotic environments, using proxies for lightning, ionising radiation from space, or hydrothermal vents to provide the necessary energy.
Image of a hydrothermal vent field along the Arctic Mid-Ocean Ridge, close to where «Loki» was found in marine sediments.
Given developing efforts to mine deep - sea hydrothermal vent fields for precious metals, the scientists involved in this research suggest that conservationists and management agencies need to consider a broader range of factors in their efforts to predict the environmental impacts and the resiliency of affected communities.
In Pescadero Basin, however, hydrothermal - vent fluids pass through thick layers of seafloor mud.
This is a pastel painting of a new species, Xenoturbella profunda, found by researchers in a hydrothermal vent in the Gulf of California.
The deepest of the species, Xenoturbella profunda, was discovered in a 3,700 - meter (12,139 - foot)- deep hydrothermal vent in the Gulf of California.
«But, of course, we know there can be carbonaceous materials made in other processes — like in hydrothermal vents — consistent with looking like microfossils that also have some carbon signal.
In 2012, scientists from the Monterey Bay Aquarium Research Institute (MBARI) used undersea robots to discover a new hydrothermal vent field along the Alarcón Rise at the southern end of the Gulf of California.
An article just published in the Proceedings of the Royal Society B describes two remarkably different hydrothermal vent fields discovered in the southern Gulf of California.
Either that it began in deep sea hydrothermal vents, or alternatively that it began on land in a version of Charles Darwin's «warm little pond.»
More than 540 international expeditions sailed to coral reefs, hydrothermal vents, seamounts, and open ocean waters to assemble a comprehensive picture of the diversity, habitats, and abundance of animals and microbes living in the sea.
The organisms likely survive using mechanisms similar to the ever - increasing parade of creatures that have been discovered living in the total darkness of hydrothermal vents at the bottom of the ocean, deriving energy from minerals in seafloor rocks.
Map of current land and ice separating the Weddell and Ross seas, courtesy of Wikimedia Commons / Wutsje / CIA Octopuses have made themselves at home in most of the world's oceans — from the warmest of tropical seas to the deep, dark reaches around hydrothermal vents.
The second spot was Axial Seamount, an active underwater volcano, along with its associated hydrothermal vents, where the team could study the transfer of minerals from beneath the seafloor into the water and access hardy microbes that thrive in the vent fluids, which can reach 250 degrees Fahrenheit.
A marine biologist describes her upcoming mission to some of the deepest hydrothermal vents in the ocean
Their abundant presence on this peak may be tied to the liquid carbon dioxide spewed by the volcano's hydrothermal vents, which kills virtually all life in the deeper reaches of the crater.
Starting in the 1980s, many scientists argued that life got its start in the scalding, mineral - rich waters streaming out of deep - sea hydrothermal vents.
Lead scientist Jeffrey Hawkes, currently a postdoctoral fellow at Uppsala University in Sweden, directed an experiment in which the researchers heated water in a laboratory to 380 degrees Celsius (716 degrees Fahrenheit) in a scientific pressure cooker to mimic the effect of ocean water passing through hydrothermal vents.
Over the history of the planet, there have been many sudden peaks in CO2 related to volcanic eruptions, releases from hydrothermal vents, and other natural events.
In the third type of vent environment, «hydrothermal seeps,» much cooler (less than 30 - 60 degrees Celsius) water trickles out of lava flows interleaved with seafloor mud.
A study described here today at the American Geophysical Union's biennial Ocean Sciences Meeting shows that RNA's chemical building blocks fall apart within days to years at temperatures near boiling — a finding that poses problems for some origin of life theories, especially ones picturing that life arose in scalding settings such as deep - sea hydrothermal vents.
According to a report in today's issue of the journal Nature, that modest rumble caused 10-fold increases in the flow of fluids in hydrothermal vent systems located nearly five miles away.
It makes its home in the walls of deep - sea hydrothermal vents.
With the help of Cindy Van Dover, a Duke University biologist and expert in hydrothermal vents, Nautilus is even studying the possibility of picking up snails and barnacles in the path of the mining tool and transplanting them to a temporary haven, to be brought home when the coast is clear.
We have shown that hydrothermal vent fluids contain almost none of the organic carbon which accumulates in the oceans, which means that vents are a sink for this unreactive «stored» carbon.»
A new study published April 29 in Science suggests that eddies may have a deeper reach than previously thought, helping to shape some of the most remote ecosystems on Earth — deep - sea hydrothermal vents.
Further analysis of these organisms may shed light on how the fauna living at hydrothermal vents to the east and west of them, in the Atlantic and Pacific oceans, are genetically related.
Ever since their discovery in the late 1970s, the creatures that dwell in the hot, sulfurous hydrothermal vents of the deep sea floor have captivated marine biologists.
The results launched a hunt for life's origins that's now uncovering these building blocks in surprising places, like the surface of comets and in deep - sea hydrothermal vents.
The acetate is a product of methane and hydrogen from the alkaline hydrothermal vents and carbon dioxide dissolved in the surrounding ocean.
Deep - sea organisms including mussels thrive in the extreme environments of hydrothermal vents and cold seeps which are characterised by high hydrostatic pressure, lack of photosynthesis - derived food, variable temperatures and high concentrations of toxic substances.
But the dominant theory nowadays is that primitive microorganisms first assembled in hot, chemical - rich water at hydrothermal vents at the bottom of the ocean.
To figure out if hydrothermal vents could have given the evolution of complex life a boost, Braun and his colleagues examined the physics of a theoretical single pore in the rock surrounding a vent.
New fossil evidence suggests the first spark of life may have occurred in a hot spring on land rather than a hydrothermal vent in the deep sea.
It's «nice chemistry,» says marine chemist Jeffrey Bada of the University of California (UC), San Diego, but he is not convinced that hydrothermal vents, or any other likely habitat on early Earth, could have provided the conditions created in the lab: «The processes outlined are not likely to take place on a significant scale on the Earth or elsewhere.»
However, potent compounds from the marine environment, especially extreme surroundings such as hydrothermal vents or arctic regions only await to be unveiled which undoubtedly hold promises in the discovery of tyrosinase inhibition, thus opening new perspective for treatment of skin disorders as well as neurodegeneration related diseases.
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