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Tuesday, 23 August 2011
Thursday, 11 August 2011
Hybrid Solar System Makes Rooftop Hydrogen
While roofs across the world sport photovoltaic solar panels to convert sunlight into electricity, a Duke University engineer believes a novel hybrid system can wring even more useful energy out of the sun's rays.
This is the hybrid system schematic. (Credit: Nico Hotz)Instead of systems based on standard solar panels, Duke engineer Nico Hotz proposes...
Polar Dinosaur Tracks Open New Trail to Past
Polar Dinosaur Tracks Open New Trail to PastPaleontologists have discovered a group of more than 20 polar dinosaur tracks on the coast of Victoria, Australia, offering a rare glimpse into animal behavior during the last period of pronounced global warming, about 105 million years ago.
Photo of the tracks. (Credit: Anthony Martin)The discovery, reported...
New Eruption Discovered at Undersea Volcano, After Successfully Forecasting the Event
New Eruption Discovered at Undersea Volcano, After Successfully Forecasting the EventA team of scientists just discovered a new eruption of Axial Seamount, an undersea volcano located about 250 miles off the Oregon coast -- and one of the most active and intensely studied seamounts in the world.
The manipulator arm of the ROV Jason prepares to sample...
Study Builds On Plausible Scenario for Origin of Life On Earth
Study Builds On Plausible Scenario for Origin of Life On EarthA relatively simple combination of naturally occurring sugars and amino acids offers a plausible route to the building blocks of life, according to a paper published in Nature Chemistry.
The natural enantiomer of the RNA precursor molecules formed a crystal structure visible to the...
Exotic Quantum Crystal Discovered: Researchers Discover Novel State of Crystal Matter
Nature knows two opposite types of solids: one that emerges upon compression from a liquid and a second that appears if the pressure on a liquid is reduced. While the former is typical for substances in our everyday life the latter occurs for example in a dense quantum liquid of electrons (such as in metals) or ions (in exotic white dwarf or neutron...
Deep Recycling in Earth Faster Than Thought
The recycling of Earth's crust in volcanoes happens much faster than scientists have previously assumed. Rock of the oceanic crust, which sinks deep into the earth due to the movement of tectonic plates, reemerges through volcanic eruptions after around 500 million years. Researchers from the Max Planck Institute for Chemistry in Mainz obtained this...
Multiple Sclerosis Research Doubles Number of Genes Associated With the Disease, Increasing the Number to Over 50
Multiple Sclerosis Research Doubles Number of Genes Associated With the Disease, Increasing the Number to Over 50Dr. John Rioux, researcher at the Montreal Heart Institute, Associate Professor of Medicine at the Université de Montréal and original co-founder of the International Multiple Sclerosis Genetics Consortium is one of the scientists who have...
Genetically Modified 'Serial Killer' T-Cells Obliterate Tumors in Leukemia Patients
Genetically Modified 'Serial Killer' T-Cells Obliterate Tumors in Leukemia PatientsIn a cancer treatment breakthrough 20 years in the making, researchers from the University of Pennsylvania's Abramson Cancer Center and Perelman School of Medicine have shown sustained remissions of up to a year among a small group of advanced chronic lymphocytic leukemia...
Engineers Reverse E. Coli Metabolism for Quick Production of Fuels, Chemicals
Engineers Reverse E. Coli Metabolism for Quick Production of Fuels, ChemicalsIn a biotechnological tour de force, Rice University engineering researchers this week unveiled a new method for rapidly converting simple glucose into biofuels and petrochemical substitutes. In a paper published online in Nature, Rice's team described how it reversed one of the most efficient of all metabolic pathways -- the beta oxidation cycle -- to engineer bacteria that produce biofuel at a breakneck pace.
Just how fast are Rice's single-celled chemical factories?...
Narcissists Look Like Good Leaders, but They Aren't
Narcissists Look Like Good Leaders, but They Aren'tScienceDaily (Aug. 10, 2011) — Narcissists rise to the top. That's because other people think their qualities -- confidence, dominance, authority, and self-esteem -- make them good leaders.
Is that true? "Our research shows that the opposite seems to be true," says Barbora Nevicka, a PhD candidate in organizational psychology, describing a new study she undertook with University of Amsterdam colleagues Femke Ten Velden, Annebel De Hoogh, and Annelies Van Vianen. The study found that the...
Meteorites contain chemicals linked to life
Meteorites contain chemicals linked to life
Space rocks could have delivered DNA building blocks to EarthBy Alexandra WitzeWeb edition : Wednesday, August 10th, 2011 Text SizeENLARGEHINTS OF LIFEChemists have found that this meteorite, found in Antarctica and dubbed Lonewolf Nunataks 94102, contains nucleobases, the building blocks...
EDISON'S ANTI-GRAVITY UNDERWEAR AND OTHER WONDERS
EDISON'S ANTI-GRAVITY UNDERWEAR AND OTHER WONDERSWhile trolling through my RSS feeds last week, I came across a delightful blog post by John Ptak, who has a penchant for quirky historical oddities -- in this case, an 1879 issue of The London Punch crediting US inventor Thomas Edison with the invention of antigravity undergarments.It's...
