An outbound comet that provided a nice show for skywatchers late last year is the target of an ongoing investigation by NASA's Swift satellite. Formally designated C/2009 P1 (Garradd), the unusually dust-rich comet provides a novel opportunity to characterize how cometary activity changes at ever greater distance from the sun.
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comet 
garradd departs All
garradd departs All
Researchers in Australia have developed the fastest random number generator in the world by listening to the 'sounds of silence'. The researchers have tuned their very sensitive light detectors to listen to vacuum -- a region of space that is empty.
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sounds silence proving hit worlds fastest random number generator All
silence proving hit worlds fastest random number generator All
Astronomers are actively hunting a class of supermassive black holes throughout the universe called blazars thanks to data collected by NASA's Wide-field Infrared Survey Explorer (WISE). The mission has revealed more than 200 blazars and has the potential to find thousands more.
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nasas wise mission sees skies ablaze blazars All
wise mission sees skies ablaze blazars All
The upcoming launch of a SpaceX spacecraft and rocket on a demonstration flight to the International Space Station is expected to cross a key milestone on the path to operational, commercial missions.
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dragon expected set historic course spacex spacecraft rocket demo flight international space station All
expected set historic course spacex spacecraft rocket demo flight international space station All
On April 5, 2010, the sun spewed a two-million-mile-per-hour stream of charged particles toward the invisible magnetic fields surrounding Earth, known as the magnetosphere. As the particles interacted with the magnetic fields, the incoming stream of energy caused stormy conditions near Earth. Some scientists believe that it was this solar storm that interfered with commands to a communications sa
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ibex twins observe solar storm All
twins observe solar storm All
Using a combination of powerful observatories in space and on the ground, astronomers have observed a violent collision between two galaxy clusters in which so-called normal matter has been wrenched apart from dark matter through a violent collision between two galaxy clusters.
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discovery musket ball cluster colliding galaxy clusters All
musket ball cluster colliding galaxy clusters All
Researchers discovered a remarkable prevalence of antibiotic resistance bacteria isolated from Lechuguilla Cave in New Mexico, one of the deepest and largest caves in the world and a place isolated from human contact for more than four million years.
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key antibiotics deep isolated cave All
antibiotics deep isolated cave All
Anthropologists asked hundreds of Americans to guess the size and muscularity of four men based solely on photographs of their hands holding a range of ordinary objects, including handguns. The research confirmed what scrawny thugs have long known: brandishing a weapon makes a man appear bigger and stronger than he would otherwise. The findings suggest an unconscious mechanism that could misguide
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do bigger finger trigger yes study All
bigger finger trigger yes study All
Researchers have definitively linked an increase in ocean acidification to the collapse of oyster seed production at a commercial oyster hatchery in Oregon, where larval growth had declined to a level considered by the owners to be "non-economically viable."
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ocean acidification linked larval oyster failure All
acidification linked larval oyster failure All
Getting an autism diagnosis could be more difficult in 2013 when a revised diagnostic definition goes into effect. The proposed changes may affect the proportion of individuals who qualify for a diagnosis of autism spectrum disorder, according to a new study.
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autism numbers researchers examine impact diagnostic criteria All
numbers researchers examine impact diagnostic criteria All
