Sentences with phrase «sea vents»

Recent research suggests that the element mix in ancient hot springs would have been more likely to give rise to life than that of deep sea vents.

That began to change last year with the discovery of DNA sequences for an organism that no one has ever actually seen living near a deep - sea vent on the ocean floor.

The discovery of the deep - sea vents means there are many more sites, but this is not the entire story.

National Science Foundation: Sea Vent Viewer Extraordinary visuals take you to the bottom of the ocean.

This archaeon lives in deep sea vents near Japan, and survives by combining hydrogen and carbon dioxide — both detected in Enceladus's atmosphere — while excreting methane.

The other, which has gained popularity in recent years, is that deep - sea vents at the bottom of the ocean acted as a cradle for life, offering both heat and nutrition via fluids pumped up through Earth's crust.

Instead of seeking the standard quarry of deer or wild boar, Schleper was in search of Lokiarchaeota, or Loki, a newly discovered group of organisms first identified near deep - sea vents off the coast of Norway.

PHILIP TAAFFE 菲利普 • 塔菲 Sea Vent II 海风II, 2011 Mixed media on canvas mounted on panel 板上布面综合媒介 40 3/4 x 30 7/8 inches; 103.5 x 78.4 cm

It is notable that the deep - sea vent ecosystems recently described from the Arctic also show an absence of vent shrimp and vent mussels [12].

These oceans can be kept warm despite their great distance from the Sun because of gravitational interactions between the moons and their host planet, and they might support the kind of life found in deep sea vents on Earth.

Common in Precambrian Shield rocks — the oldest rocks on Earth — the ancient waters have a chemistry similar to that found near deep sea vents, suggesting these waters can support microbes living in isolation from the surface.

Deep sea vents have become attractive sites for mining, because they often contain high - grade metal ores.

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.

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.

The technology could improve underwater robots» ability to detect hazards, such as deep sea vents and shipwrecks, when the water is too murky for a camera to work effectively, or the object is too close for sonar, says Douglas Jones at the University of Illinois at Urbana - Champaign.

Of the 30 or so trace elements Geotraces scientists are studying, some — such as iron and copper — are naturally occurring nutrients supplied by dust storms and deep - sea vents.

«Challenging prevailing theory about how deep - sea vents are colonized.»

Robert Hazen and Jay Brandes and their colleagues at the Carnegie Institution of Washington's Geophysical Laboratory wondered whether the high pressures and temperatures found at deep - sea vents could have helped churn it out.

Bacteria and archaea — collectively known as prokaryotes — live pretty much everywhere, dividing happily in places from stomach acid to deep - sea vents.

The experiments replicated the conditions present in deep sea vents, where hot and slightly alkaline water rich in dissolved CO2 passes over the mineral greigite (Fe3S4), located on the inside surfaces of the vents.

Better knowledge of what governs the patterns of life at deep - sea vents will enable responsible decisions about how to manage these deep - ocean resources

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.

Although bacteria live almost everywhere, from some 40 miles high in the atmosphere to deep - sea vents, 94 percent of them live in the top 1,300 feet of Earth's surface.

McKay has visited the Geysir — from which the term geyser originated — multiple times to understand how geysers and deep - sea vents might affect life.

Every now and then we stumble upon a new species of lemur in an obscure jungle or an exotic bacterium in a deep - sea vent, but at this point we are unlikely to discover something truly astonishing, like dinosaurs dwelling in a secluded cavern.

But in an Opinion paper published June 16 in Trends in Cell Biology, researchers propose that new genomic evidence derived from a deep - sea vent on the ocean floor suggests that the molecular machinery essential to eukaryotic life was probably borrowed, little by little over time, from those simpler ancestors.

Dr Lane said: «In these deep sea vents, there is a continuous flow of alkaline fluids, which mix with the ocean waters.

The rest only survive in their native environment — be it a cow's guts or a deep - sea vent.

The gas can originate from lakes and swamps, natural - gas pipelines, deep - sea vents, and livestock.

The researchers used the technique to analyze methane samples from settings including lakes, swamps, groundwater, deep - sea vents, and the guts of cows, as well as methane generated by microbes in the lab.

«Snffing out origins of methane: instrument identifies methane's origins in mines, deep - sea vents, and cows.»

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.

Glover hypothesizes that young, prehistoric tubeworms may have been traveling from one deep - sea vent to another when they came across the carcass of a marine animal.

«Microbial diversity is found everywhere from deep sea vents to the human gut or in association with plant roots.

Deep - sea vents, first directly observed only 20 years ago, have become of increasing interest as a possible origin of the planet's life.

Shannon notes that most of the inspiration for the appearance of aliens in Hollywood science fiction movies comes from places like deep sea vents, which are home to everything from giant bone - eating worms to «rainbow glitter» jellyfish.

Recent experiments on Earth have shown that the bacteria from deep - sea vents could very well survive in conditions like those we'd expect on Enceladus.

Deep - sea vents may have been the site where life originated on this planet.

On Earth, similar deep sea vents are oases for a wide variety of life.

Every cell we know of — even bacteria around deep - sea vents that exist without sunlight — requires water.

Grade Level: Pre-K-2, 3 - 5, 6 - 8 The Sea Vent Viewer is part of the National Science Foundation's Earth and Environmental Science site.

Sea Vent I, 2011 Mixed media on canvas mounted on panel 40 3/4 x 30 7/8 inches Courtesy of Gagosian Gallery, New York, NY Photo: Jean Vong

Meet Riftia, a tube worm that lives in deep - sea vents, and learn the surprising lessons this denizen of the abyss is teaching scientists about life on Earth.

They range from lakes and swamps, natural - gas pipelines and deep - sea vents, to livestock and even damming beavers.

One possible answer to the second question may lie in the existence of present - day life - forms within hot springs and deep - sea vents, which would have persisted long ago despite the frozen state of Earth's surface.

A possible answer to the second question may lie in the existence of present - day life - forms within hot springs and deep - sea vents, which would have persisted long ago despite the frozen state of Earth's surface.