Tag: "hydrothermal" at biology news
New hydrothermal vents discovered as 'South Pacific Odyssey' research begins
... the South Pacific has discovered a new cluster of hydrothermal
vents along a volcanically active crack in the sea... time there's been a regional-scale perspective of hydrothermal
activity in an entire back-arc basin," said Charlie Langmuir of Harvard University, a marine geologi...
JGI announces community sequencing program portfolio
...eii worm, which has adapted to thrive at super-hot hydrothermal
vents. Prochlorococcus, marine phytoplankton that plays a critical role regulating the dynamics of the global carbon cycle, responsible for a significant fraction of photosynthesis in the world's oceans. Lactobacillus rhamnosus is considered a po...
Whale carcass yields bone-devouring worms
... related to the large tube worms found at deep-sea hydrothermal
vents and cold seeps. Both types of worms obtain n... Like the animal communities around deep-sea hydrothermal
vents, whale-fall communities evolve around highly localized, ephemeral sources of food. At hydrothe...
'Anti-plume' found off Pacific Coast
...ess on the seafloor, creating cracks and fissures, hydrothermal
vents, seafloor spreading, and literally hundreds ...an automatic outpouring of lava, or hot liquid via hydrothermal
vents previously associated with tectonic plate theory. The size of these potential "voids" also in...
UN report: Accelerate global agreement to oversee exploitation of South Pole 'extremophiles'
...ion to many of the world's last frontiers, such as hydrothermal
vents, the deep seabed, the water column of the high seas and polar ice caps. Indeed, according to the report, these frontiers have the potential to create a 21st Century "gold rush" with bioprospectors trying to find and exploit the unique genetic...
Bacteria discoveries could resemble Mars, other planets
... collected from below the sea floor, from deep-sea hydrothermal
vents, and from the deepest part of the ocean the Mariana Trench. "When you put all of those things together," Fisk said, "it is a very strong indication of the presence of microorganisms. The evidence also points to microbes that were living deep ...
Extreme 2003 takes students worldwide to the oceans depth
...countries on a 23-day research expedition to study hydrothermal
vents on the Pacific Ocean floor as part of "Extre...esearchers will use the submersible Alvin to reach hydrothermal
vents nearly two miles deep to study the creatures that inhabit the scalding hot water surrounding t...
Mercury in ocean fish may come from natural sources, not pollution
...yet clear, Morel says, but he suggests it could be hydrothermal
vents and deep ocean sediments. The research should also extend to other ocean-going predatory fish, like swordfish and sharks, according to Morel, which could mean that whatever is passing the mercury up to the tuna is probably doing the same to ...
Nurseries in the deep sea
...ered biological hot spots in the deep sea, such as hydrothermal
vents and the tops of seamounts, have been related...ther such areas. But as Drazen points out, "Unlike hydrothermal
vent and seamount communities, which persist for generations, reproductive hot spots may be seasonal...
Microbe from depths takes life to hottest known limit
...the ocean bottom, from a surreal deep-sea realm of hydrothermal
vents. Heated to extremes by the earth's magma, water there spouts forth through leaks in the ocean floor. The pressure of the immense depths prevents such hot water from turning to steam--even as it sometimes emerges at temperatures near 400 C (75...
Hydrothermal vent systems could have persisted millions of years, incubated life
The staying power of seafloor hydrothermal
vent systems like the bizarre Lost City vent field...olcanic activity or magma, responsible for driving hydrothermal
venting at sites scientists have been studying since the early 1970s. If hydrothermal
venting can o...
Scientists returning to field of eerie thermal spires
The bizarre hydrothermal
vent field discovered a little more than two years... not by young volcanism. The remarkable Lost City hydrothermal
vent field, so named partly because it sits on a seafloor mountain named the Atlantis Massif, was di...
15-foot hypodermic needles provide evidence for vast oceanic crustal biosphere
...frequent volcanic eruptions and can have fields of hydrothermal
vents that pour superheated water as hot as 750 F ... These quantities are 200 times larger than normal hydrothermal
fluid samples and the scientists may have accidentally spilled more hydrothermal
fluid than is colle...
Revolutionary new theory for origins of life on Earth
...en on any wet, rocky planet. Dr Russell says: "As hydrothermal
fluid - rich in compounds such as hydrogen, cyanide, sulphides and carbon monoxide - emerged from the earth's crust at the ocean floor, it reacted inside the tiny metal sulphide cavities. They provided the right microenvironment for chemical reactio...
Walleye fishery threatened; Puerto Rico aquaculture, calling ALVIN on ocean bottom
...iversity of Delaware scientist Craig Cary explores hydrothermal
vents in the Pacific Ocean. Cary and his team will study the vents and the creatures that inhabit them, including the Pompeii worm, the "hottest" animals on the planet, as it can withstand temperatures of up to 176 degrees F. Scientists will use th...
November GEOLOGY and GSA TODAY media highlights
...in the Solomon Islands. After weeks searching for hydrothermal
discharge from many underwater volcanoes between Papua New Guinea and the Solomon Islands, the Franklin arrived at Kavachi, named for a legendary sea god of the region. The scientists found not a quiet seamount, but an active volcano violently erupti...
A thermodynamic history traces temperature's effect on Universe, Earth and humans
...he writes. "Forced up through the ocean bottom in hydrothermal
vents, this activity somehow sustains life that evolves to create creatures that think about radioactivity." Far beyond the confines of humanity, Segr describes the history of our universe in terms of its evolution from the 100-billion-degree Big Ban...
New research questions evidence for earliest life on earth
...troduced into the green bands. Recent studies of hydrothermal
vents on mid-ocean ridges have also shown that basalt-like rocks can interact with water to form carbon compounds by non-biological processes, leaving an isotopic signature similar to that of metabolic function. While it is possible life existed on ...
April GEOLOGY and GSA TODAY media highlights
... kilometers of the crust. The intrusions form huge hydrothermal
systems of exsolved magmatic fluids with a carapac...use they provide evidence for how magmas and their hydrothermal
systems evolve at shallow depths. Since the 1970s debate has raged over the role meteoric water play...
Scientists conduct first DNA field tests on Antarctic soil microbes
...icrobes that live at underwater hot springs called hydrothermal
vents found over a mile deep in the ocean where new seafloor is being formed. While vent microbes set the upper end of the temperature scale in the marine environment, the polar regions set the lower limit in the terrestrial environment, says Cary, w...
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