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Eight Seconds of Terror

By Guest PostJanuary 17, 2014Environmentandrea donnellan, aperture radar mission, better models, blind thrust fault, california, crack, crust, crustal deformation, data analyses, downtown los angeles, earth, earthquake faults, earthquake in long beach, eight seconds, geodetic imaging techniques, geophysicist, global positioning system, golden guardian, gps, isro, large earthquakes, NASA, nature magazine, northridge earthquake, periodic shakeout, plate boundary observatory, reseda, rupture, san fernando valley, synthetic, terror, uavsar

A JPL Scientist Reflects on L.A.’s Last Big Quake

Twenty years ago this week, in the predawn darkness of Jan. 17, 1994, at five seconds before 4:31 a.m. PST, the ground ruptured violently on a blind thrust fault (a crack in Earth’s crust that does not reach the surface) about 11 miles (18 kilometers) beneath Reseda, in California’s San Fernando Valley about 20 miles (31 kilometers) northwest of downtown Los Angeles. The resulting magnitude 6.7 earthquake, known as the Northridge earthquake, became the first large quake to strike directly under an urban area in the United States since the 1933 magnitude 6.4 earthquake in Long Beach, Calif. (more…)

CryoSat-2 Mission Reveals Major Arctic Sea-Ice Loss

By Guest PostFebruary 18, 2013Environmentalfred wegener institute, aperture radar altimeter, Arctic, Arctic sea ice, assimilation system, autumn, canadian archipelago, cracks, cryosat 2 satellite, data, energy, european space agency, german aerospace center, greenland, high resolution, ice ocean modelling, ice thickness, icesat satellite, jet propulsion laboratory, katharine giles, microwave, modelling, NASA, pan arctic, piomas, polar observation, pulse, sea ice, seymour laxon, svalbard, synthetic, uk, university of washington, volume, york university

Arctic sea ice volume has declined by 36 per cent in the autumn and 9 per cent in the winter between 2003 and 2012, a UK-led team of scientists has discovered.

Researchers from the Centre for Polar Observation and Modelling at UCL used new data from the European Space Agency’s CryoSat-2 satellite spanning 2010 to 2012, and data from NASA’s ICESat satellite from 2003 to 2008 to estimate the volume of sea ice in the Arctic. (more…)

New Ability To Regrow Blood Vessels Holds Promise For Treatment of Heart Disease

By Guest PostFebruary 11, 2012Scienceaaron baker, austin, blood vessels, cell growth, cell receptor, cellular differentiation, central ischemia, chronic myocardial ischemia, clinical disease, coreceptor, coronary vessel, disease, extra component, fgf 2, fibroblast growth factor 2, growth factor, heart, hindlimb ischemia, limbs, lipid based nanoparticles, lipid embedded receptor, lipid incased substance, organ dysfunction, patient, plaques, rats, revascularization approach, smoking, syndecan 4, synthetic, university of texas, western world

AUSTIN, Texas — University of Texas at Austin researchers have demonstrated a new and more effective method for regrowing blood vessels in the heart and limbs — a research advancement that could have major implications for how we treat heart disease, the leading cause of death in the Western world.

The treatment method developed by Cockrell School of Engineering Assistant Professor Aaron Baker could allow doctors to bypass surgery and instead repair damaged blood vessels simply by injecting a lipid-incased substance into a patient. Once inside the body, the substance stimulates cell growth and spurs the growth of new blood vessels from pre-existing ones. (more…)

Tag Archives: synthetic

Eight Seconds of Terror

CryoSat-2 Mission Reveals Major Arctic Sea-Ice Loss

New Ability To Regrow Blood Vessels Holds Promise For Treatment of Heart Disease