Sentences with phrase «deep hydrothermal vent»

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.
A marine biologist describes her upcoming mission to some of the deepest hydrothermal vents in the ocean

Not exact matches

We started finding the same organisms that people were reporting from deep - sea hydrothermal vents [where hot, mineral - laden fluid flows through volcanic rock into the ocean from deep within the Earth].
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.
Crabs that live near hydrothermal vents 3,500 metres deep have been seen eating - as well as - cleaning each other
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.
The impact aftermath killed most life on Earth, but the crater itself (bottom)-- shown with a central peak — remained hot long after the blast, perhaps creating a hydrothermal system similar to deep - sea vents.
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.
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.
Deep - sea hydrothermal vents in the Pescadero Basin emit scalding liquids that form light - colored carbonate spires.
These include a groundwater sample found nearly 2 miles deep in a South African gold mine and at hydrothermal vents on the ocean floor.
They are related to organisms found in deep - sea hydrothermal vents.
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.»
Deep - sea hydrothermal vents give rise to some of the most bizarre forms of life on the planet, such as blind albino crabs.
Pohlman believed chemosynthetic bacteria, like the kinds found around deep - ocean hydrothermal vents, must be the answer.
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.
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.
«Deep - sea hydrothermal vents have carbon - removing properties.»
New research suggests that surface - generated eddies help distribute heat, chemistry and life at deep - ocean hydrothermal vents
Geysers and deep - sea vents are hydrothermal phenomena in which water, heated and pressurized by molten rock, is released through vents at the land surface or into the oceans.
«Deepest high - temperature hydrothermal vents discovered in Pacific Ocean.»
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.
The model therefore reinforces the idea that there is strong heat production in Enceladus's deep interior that may power the hydrothermal vents on the ocean floor.
It makes its home in the walls of deep - sea hydrothermal vents.
Within two years, scientists from the Woods Hole Oceanographic Institution and the University of Maryland will release self - guided robots to visit the hydrothermal vents deep beneath the Arctic ice shelves for the first time.
The sub brought up a rib from the mammoth carcass, and the researchers soon discovered the fiery plumes to be the gills of two entirely new species, related to worms, that live near deep - sea hydrothermal vents.
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.
Europa has a global ocean locked away beneath a crust of ice; deep below, the moon's internal heat might create hospitable conditions, akin to hydrothermal vents at the bottom of the mid-Atlantic ridge and East Pacific Rise on Earth.
One question that has long and intensively been discussed in research is: Where and how deep does seawater penetrate into the seafloor to take up heat and minerals before it leaves the ocean floor at hydrothermal vents?
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.
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.
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.
Water locked away in rocks for 1.5 billion years reveals conditions were right for complex organic molecules to form in deep sea hydrothermal vents
Deep below the ocean's surface are hydrothermal vent fields, or submarine hot springs that can reach temperatures of up to 400 °C.
Brightly colored 7 - foot tube worms thrive near deep - sea hydrothermal vents and derive their energy from chemosynthetic bacteria.
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.
In 2009, scientists from Woods Hole Oceanographic Institution embarked on a NASA - funded mission to the Mid-Cayman Rise in the Caribbean, in search of a type of deep - sea hot - spring or hydrothermal vent that they believed held clues to the search for life on other planets.
Grassle's work ultimately revealed that a diverse community of organisms thrives along deep - sea hydrothermal vents, feasting on organic matter produced by sulfur - oxidizing bacteria instead of photosynthesis.
In the deep gold mines of South Africa, and under the sea, at hydrothermal vents where breaks in the fissure of Earth's surface that release geothermally heated waters — hydrogen - rich fluids host complex microbial communities that are nurtured by the chemicals dissolved in the fluids.
ONE species of deep - sea fish incubates its eggs in a seemingly impossible place: the baking hot rocks of hydrothermal vents.
A mysterious glow from deep - sea hydrothermal vents may provide the light source for a newly - discovered bacterium.
The remarkable density of life at deep - sea hydrothermal vents is explained by the mutually beneficial symbiosis of invertebrate animals and sulfide - oxidizing bacteria that colonize their cells
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.
Modern - day provannid snails inhabit ephemeral and remote deep - sea environments — cold methane seeps; hydrothermal vents that spew superheated, chemical - rich water; and whale carcasses — and their prehistoric forebears probably did the same.
New research is revealing details about how the exoskeleton of a certain type of deep - sea shrimp allows the animal to survive scalding hot waters in hydrothermal vents thousands of feet under water.
In 1977, scientists and the world were shocked to discover the first deep - sea hydrothermal vent community at the Galapagos Rift in the eastern Pacific (see a great story on this at NPR here).
Potential Europan habitats include deep - sea colonies based on heat - loving bacteria like those found around hydrothermal vents on Earth's ocean floor.
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.
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