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Explorers to Use New Robotic Vehicles to Hunt for Life and Hydrothermal Vents on Arctic Seafloor
06-21-2007 · Woods Hole Oceanographic Institution (WHOI)Researchers will probe the Gakkel Ridge during expedition that begins on July 1.
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Keywords: explorers, robotic, vehicles, hunt, life, hydrothermal, vents, arctic, seafloor, explorer, vehicle, vent
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- Lost City pumps life-essential chemicals at rates unseen at typical black smokers
01-31-2008 · EurekAlert!
Hydrocarbons -- molecules critical to life -- are being generated by the simple interaction of seawater with the rocks under the Lost City hydrothermal vent field in the mid-Atlantic Ocean. Being able to produce building blocks of life makes Lost City-like vents even stronger contenders as places where life might have originated on Earth.
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- Seafloor Chemistry: Life's building blocks made inorganically
02-02-2008 · Science News Online
Hydrocarbons in fluids spewing from hydrothermal vents on the seafloor in the central Atlantic were produced by inorganic chemical reactions deep within the ocean crust, a finding with implications for the possible origins of life.
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- Scientists discover first seafloor vents on ultraslow-spreading ridge
04-13-2007 · EurekAlert!
Scientists have found one of the largest fields of seafloor vents gushing super-hot, mineral-rich fluids on a mid-ocean ridge that, until now, remained elusive to the 10-year hunt to find them.
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- CU-Boulder technology used to identify unexpected bacteria in cystic fibrosis patients
12-03-2007 · EurekAlert!
Molecular technology developed by a University of Colorado at Boulder professor to probe extreme life forms in undersea hydrothermal vents has been used to identify unexpected bacteria strains in the lung fluid of Denver children suffering from cystic fibrosis, findings that may lead to more effective therapies.
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- Extreme Life, Marine Style, highlights 2006 Ocean Census
12-10-2006 · EurekAlert!
Frontiers of marine knowledge were extended by the Census of Marine Life in 2006, highlights of which include life adapted to brutal conditions around 407ºC fluids spewing from a seafloor vent (the hottest ever discovered), a mighty microbe 1 cm in diameter, mysterious 1.8 kg (4 lb) lobsters off the Madagascar coast, a US school of fish the size of Manhattan Island, and more unfamiliar than familiar species turned up beneath 700 meters of Antarctic ice.
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- North America's northernmost lake affected by global warming
09-26-2007 · EurekAlert!
Analyses conducted by researchers from Université Laval's Center for Northern Studies reveal that the continent's northernmost lake is affected by climate change. The research team reports that life in Ward Hunt Lake, located on a small island in the Canadian Arctic, has undergone major transformations within the last two centuries. The speed and range of these transformations suggest that climate change related to human activity could be at the source of this phenomenon.
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- NASA-funded robotic sub makes final dive to reach bottom of Earth's deepest sinkhole
05-15-2007 · EurekAlert!
Scientists from the University of Texas at Austin's Jackson School of Geosciences and other institutions begin the final leg of a five-year, NASA-funded mission to reach the bottom of Cenote Zacatón in Mexico, the world's deepest known sinkhole, hoping to learn about Zacatón's geology, geothermal vents and forms of life. Previous expeditions tested the robotic probe that makes the dive, DEPTHX, designed to explore for life in extreme regions on Earth and in outer space.
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- MIT finishes fourth in DARPA challenge for robotic vehicles
11-05-2007 · Massachusetts Institute of Technology (MIT)
MIT's automated Land Rover packed with computers and electronic sensors finished fourth in the DARPA Grand Challenge. The MIT vehicle, competing for the first time, was one of only six to complete the challenging 55-mile course
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- Photo favourite: ATV rendezvous simulation
11-13-2006 · European Space Agency (ESA)
A choice from our ESA photo galleries
Tests conducted at Val de Reuil, France, to simulate the rendezvous of the Automated Transfer Vehicle (ATV) with the International Space Station (ISS). Sensors mounted on an articulated industrial robotic arm (image) acted as the ATV, whilst a 120-tonne mobile platform represented the ISS. During simulations the platform was made to approach the robotic arm in a motion identical to the one expected when the real vehicles rendezvous in space next year.
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- Deep in the ocean, a clam that acts like a plant
02-20-2007 · EurekAlert!
How does life survive in the black depths of the ocean? At the surface, sunlight allows green plants to "fix" carbon from the air to build their bodies. Around hydrothermal vents deep in the ocean live communities of giant clams with no gut and no functional digestive system, depending on symbiotic bacteria to use energy locked up in hydrogen sulfide to replace sunlight. Now, the genome of this symbiont has been completely sequenced.
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