Sentences with phrase «as hydrothermal vents»

Microorganisms dominate all other life everywhere scientists have looked, including the human body, the Earth's soils and sediments, the oceans and fresh waterways, the atmosphere and even extreme environments such as hydrothermal vents and subglacial lakes.

In Earth's oceans, that sort of heating shows up at sites known as hydrothermal vents.

Earthly life has proved remarkably hardy in similar extreme environments such as hydrothermal vents on the ocean floor and polar ice.

Maybe something as weird and new as hydrothermal vents will turn up in some place yet unexplored.

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.

The study, published in the American Chemical Society's journal Langmuir, suggests that brinicles form in the same way as hydrothermal vents, except in reverse.

The geysers through which this water emerges are known as hydrothermal vents.

The bizarre habitat gleamed in the lights of an underwater robotic probe as it explored the environs of a seafloor spring spewing water at superhot temperatures — known as a hydrothermal vent.

Not exact matches

Crabs that live near hydrothermal vents 3,500 metres deep have been seen eating - as well as - cleaning each other

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.

Deep - sea hydrothermal vents give rise to some of the most bizarre forms of life on the planet, such as blind albino crabs.

In the late 1970s, Alvin and his passengers discovered the first known hydrothermal vents, or «black smokers» as they are sometimes called.

They can be several tens of metres tall, and grow as minerals are deposited when the hot water meets the cold ocean water at the outlet of the hydrothermal vents.

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.

Each contained jumbles of DNA sequences collected from environments such as soil, the ocean, hydrothermal vents, industrial effluent, and cow and baboon faeces.

Now, new research offers a potential solution: Longer RNA chains could have hidden out in porous rocks near volcanic sites such as hydrothermal ocean vents, where unique temperature conditions might have helped complex organisms evolve.

To that end, he says, he and others have been examining hydrothermal vents at a mid-ocean ridge known as the East Pacific Rise.

The NOAA portion of the prize is meant to spur the development of specific technologies that can help detect «sources of pollution, enable rapid response to leaks and spills, identify hydrothermal vents and methane seeps, as well as track marine life for scientific research and conservation efforts,» Richard Spinrad, chief scientist at NOAA, said in a statement.

The new study determined that the methane contained in the fluid leached from sub-seafloor rocks, and was not formed through hydrothermal vent circulation, as had been previously thought.

Located at 2350 meters» depth on the Mid-Cayman Rise, hydrothermal fluids emanate from the Von Damm vent field at temperatures as high as 226 °C (439 °F).

Their chemical gardens at the Jet Propulsion Lab in Pasadena, California, have already confirmed that hydrothermal vents can provide that all - important proton gradient, measured as electrical potential between the inside and outside of a chimney.

Recent research has hinted that neighboring hydrothermal vents might host different arrays of life, but the scene in the Gulf of California, as Goffredi, Johnson and their colleagues described it in the July 26 Proceedings of the Royal Society B (pdf), provides one of the first dramatic examples of this trend.

Many distant worlds have never received as much light as Earth, but it is suspected that some of them have hydrothermal systems similar to Earth's deep - sea vents.

At the moment, scientists have confirmed, using DNA analysis, that snotworms are closely related to the tubeworms that thrive around hydrothermal vents and probably have existed for as long as whales, if not longer.

The group is represented by possible habitat generalists (such as the large Enteroctopus dofleini which ranges from the intertidal to depths in excess of 450 m) and specialists (such as Vulcanoctopus hydrothermalis which is found only in hydrothermal vents).

Hydrothermal vents, known as black smokers, were first discovered on Earth in 1977 on the Galápagos Rift [see «The Crest of the East Pacific Rise,» by Ken C. Macdonald and Bruce P. Luyendyk; Scientific American, May 1981].

Although the evidence was subsequently contested, some single - celled microbial life lacking a nucleus that segregates their internal DNA or RNA («prokaryotes») from the surrounding cytoplasm may have flourished in darkness within cracks in Earth's seafloor crust and around deep, warm or boiling hot ocean springs (hydrothermal or volcanic vents, such as at Lost City or at black smokers) without a need for light or free oxygen in the oceans or atmosphere.

Hydrothermal vents on the ocean floor known as «black smokers» may support undersea habitats on Europa, as on Earth (more).

One of the most prevalent theories as to how life evolved on Earth is through chemical reactions at deep sea hydrothermal vents.

Meet Shannon Johnson, a senior research technician at the Monterey Bay Aquarium Research Institute (MBARI) who's as effervescent as her favorite research topic: hydrothermal vents.

There are also microbes that are known to live in incredibly harsh environments on Earth such as in deep - sea hydrothermal vents, acidic lakes and the hot springs of Yellowstone.

Currently, we are exploring several environmental samples retrieved from allover the world - ranging from hydrothermal vents in Japan to hot springs in Yellowstone National Park and New Zealand — for the presence of novel archaeal (and bacterial) lineages using cultivation - independent approaches, such as metagenomics and single cell genomics.

They are home to cold - water coral reefs and forests, sponge beds and hydrothermal vents, as well as the many millions of species dependent on these.

It is also thought that hydrothermal vents may regulate the chemistry of the global oceans and could be responsible for the elemental composition of seawater as a whole.

Trained as an astrobiologist at Stanford and Caltech, Loretta has been to the Canadian Arctic to study plant life in extreme environments and to the hydrothermal vents at the bottom of the ocean with «Titanic» director James Cameron to film a 3D IMAX documentary, «Aliens of the Deep.»

One puzzle for scientists to figure out is why the chemistry of hydrothermal vents changes, not only among locations, but over temporal scales as well.

You will recall that hydrothermal vents are plumes of hot water that spew from rocks and cracks along the ocean floor, especially in regions of sea - floor spreading, such as oceanic ridges and rift valleys.

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.

Finally, scientists have been able to observe firsthand the formation of hydrothermal vents as lava erupted on the sea floor.

The colonization of a new hydrothermal vent happens quickly as mobile organisms, such as crabs, move into the site.

The discovery in 1977 of hydrothermal vent communities and giant tube worms emerges as one of the most exciting finds in recent years.

As if to seal the case, in early 2017, Cassini discovered silica grains and hydrogen gas in the ice plumes above Enceladus, indicating there must be hydrothermal vents on the floor of the subsurface ocean.

Water, salts, organics, and methane make their way from the hydrothermal vents on the ocean bottom to the surface through cracks in the icy crust, erupting as geysers.

We determined the chemical and isotopic compositions of the liquid CO2 found on Yonaguni IV knoll hydrothermal site, as well as those in hydrothermal fluid venting from the surrounding chimneys.

Exploration of deep - sea hydrothermal vents in other sectors of the Southern Ocean, such as the Pacific - Antarctic Ridge [16], are likely to reveal further chemosynthetic communities.

For example, one can not eliminate deep temperature changes from hydrothermal venting or geodesic changes from effects such as the East Pacific Bulge - or the troublesome class of unknown unknowns.