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Deep Sea Iron Fertilization Productive
07-28-2011
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Phytoplankton growth in many areas of the open ocean is limited by the low availability of iron, despite the presence of high concentrations of other nutrients. Relatively small-scale experiments have shown that fertilising such areas with iron incre
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Minor Planet Orbits Unexpectedly Chaotic
07-28-2011
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Although small, Ceres and Vesta gravitationally interact together and with the other planets of the Solar System. Because of these interactions, they are continuously pulled or pushed slightly out of their initial orbit. Calculations show that, after
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Cold Fusion Heats Earth's Core?
07-27-2011
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Geologists have used temperature measurements from more than 20,000 boreholes around the world to estimate that some 44 terawatts (44 trillion watts) of heat continually flow from Earth's interior into space. Where does it come from?
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Nanotubes Store Solar Energy Indefinitely
07-23-2011
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Youve got a material that both converts and stores energy, he says. Its robust, it doesnt degrade, and its cheap. One limitation, however, is that while this process is useful for heating applications, to produce electricity would require anot
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Cloaking Physics
07-23-2011
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owever, it is conceivable that scientists could look at viruses and protein molecules directly, using new breeds of ultra-high-resolution "superlenses." Physicians might have more accurate ultrasound scanners at their disposal. Acoustical cloaks co
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Underwater Antarctic Volcanoes
07-22-2011
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Scientists from British Antarctic Survey (BAS) have discovered previously unknown volcanoes in the ocean waters around the remote South Sandwich Islands. Using ship-borne sea-floor mapping technology during research cruises onboard the RRS James Clar
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Cellulose Advance at Los Alamos
07-22-2011
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Ammonia transformed the naturally occurring crystalline allomorph Iβ to IIII, which led to a decrease in the number of cellulose intrasheet hydrogen bonds and an increase in the number of intersheet hydrogen bonds. This rearrangement of the hydr
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Morphogenetic fields
07-21-2011
arclein
For example, when enough mice in a group have learned a maze, they ALL suddenly know the maze whether they have run it or not! It now appears, after a BBC television experiment, that if enough humans have learned something, then it becomes easier f
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XCOR to Fly Atsa Suborbital Observatory
07-20-2011
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The Atsa project will use crewed reusable suborbital spacecraft equipped with a specially designed telescope to provide low-cost space-based observations above the contaminating atmosphere of Earth, while avoiding some operational constraints of sa
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What's Going on With the Sun?
07-20-2011
arclein
arlier this month a lot of column inches were devoted to the news that the Sun continues to behave in a peculiar manner and that solar activity could be about to enter a period of extended calm. The story emerged after three groups of researchers p
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Dark Fireworks on Sun
07-16-2011
arclein
"The blast was triggered by an unstable magnetic filament near the sun's surface," he explains. "That filament was loaded down with cool1 plasma, which exploded in a spray of dark blobs and streamers."
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Focus Fusion Lightning
07-14-2011
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small ball of plasma. In other words, sitting in a space the size of a small garage, FoFu-1 unleashes a bolt of lightning that lassos itself into a knot, and LPPs patented approach appears to be much more efficient in generating those all-important
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Sea-bed Oxygenation Can Solve Eutrophication
06-16-2011
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If oxygen-free bottoms in the Baltic are oxygenated, it can be anticipated that every square kilometre of bottom surface will be able to bind 3 tonnes of phosphorus in a short time, which is a purely geochemical effect. If the bottoms are then kept o
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Sunspot Cycle Decline Supports Global Chill
06-16-2011
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"The solar cycle may be going into a hiatus," Frank Hill, associate director of the National Solar Observatory's Solar Synoptic Network, said in a news briefing today (June 14).
The studies looked at a missing jet stream in the solar interior,
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Aquarius to Study the Power of Sea Salt
06-15-2011
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"Salinity, along with temperature, governs the density of seawater," says Lagerloef. "The saltier the water, the denser it is, and density drives the currents that determine how the ocean moves heat around the planet. For example, the Gulf Stream
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Mastodon Sightings
06-14-2011
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n 1928 a Mayan workshop was uncovered in Central America. The archaeologist concluded that the owner of the shop, dated from the second to the fourth century A.D., must have kept a mastodon, perhaps even as a pet, for the bones of the animal were fou
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Over Sized Neutron Star
06-10-2011
arclein
Last October a group of astronomers using the Green Bank Radio Telescope found a neutron star that has a mass of nearly twice that of the Sun. The measurement of the mass is extremely precise because the neutron star is actually a pulsar (PSR J1614-2
1
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Froth of Magnetic Bubbles Discovered by Voyager
06-10-2011
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Lines of magnetic force criss-cross and "reconnect". (Magnetic reconnection is the same energetic process underlying solar flares.) The crowded folds of the skirt reorganize themselves, sometimes explosively, into foamy magnetic bubbles.
"We ne
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Thorium Power Notes
06-07-2011
arclein
he world's growing need for energy, the limits of our supply of fossil fuels and concern about the effects of carbon emissions on the environment have all prompted interest in the increased use of nuclear power. Yet the very word "nuclear" carries
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Fighting Tornadoes
06-03-2011
arclein
In 1925, the infamous U.S. Tristate twister hit parts of Missouri, Illinois and Indiana, claiming 695 lives. Because tornadoes kill people and wreck property, costing billions of dollars yearly, a force of tornado fighters should be developed! They c
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Improved Artificial Photosynthesis
06-02-2011
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Under the supervision of Professor Michael Gratzel in EPFL's Laboratory of Photonics and Interfaces, the two scientists achieved this remarkable feat by combining techniques used at the industrial scale, and then applying them to the problem of prod
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How to Spot a Psychopath With Jon Ronson
06-02-2011
arclein
A man in his late 20s walked towards me. His arm was outstretched. He wasn't wearing sweatpants. He was wearing a pinstripe jacket and trousers. He looked like a young businessman trying to make his way in the world, someone who wanted to show every
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Aussie Student IDs Missing Mass
05-31-2011
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Undergraduate Amelia Fraser-McKelvie made the breakthrough during a holiday internship with a team at Monash University's School of Physics, locating the mystery material within vast structures called "filaments of galaxies".
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Hoyle State Calculated
05-27-2011
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reaction takes place in the hot interior of heavy stars. If the Hoyle state did not exist, only very little carbon or other higher elements such as oxygen, nitrogen and iron could have formed. Without this type of carbon nucleus, life probably also w
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Super Flares in Crab Nebula
05-25-2011
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NASAs Fermi Gamma-ray Space Telescope is one of many that look for high-energy radiation sources, and recently the Crab Nebula has caught its eye. The past seven months have seen some rather dramatic variations within the nebula, with Fermi and othe
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New Light on Permian Extinction
05-24-2011
During the end-Permian extinction, some 250 million years ago, entire groups of animals and plants either vanished altogether or decreased significantly in numbers, and the recovery of the survivors was at times slow and prolonged before new radiatio
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Hyper-thermal Earth
05-24-2011
arclein
The hyperthermals took place roughly every 400,000 years during a warm period of Earth's history that prevailed some 50 million years ago. The strongest of them coincided with an event known as the PaleoceneEocene Thermal Maximum, the transition be
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Galaxy Full of Unbound Planets
05-21-2011
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In an attempt to get around this problem the Microlensing Observations in Astrophysics (MOA) collaboration observes many stars at once. The new rogue planets were found in MOA observations of 50 million stars within the Milky Way between 2006 and 200
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Super Storm on Saturn
05-20-2011
arclein
This is the first major storm on Saturn observed by an orbiting spacecraft and studied at thermal infrared wavelengths. Infrared observations are key because heat tells researchers a great deal about conditions inside the storm, including temperat
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Divine Business
05-18-2011
arclein
He says he can locate, with something approaching regularity, just about anythingwater, gold, drugs, oil, dead bodieswith his nylon dowsing rods. Today, hes headed to dowse a well six miles west of Rapelje, a ranching community in south central Mo
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