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Computational microscope peers into the working ribosome
The first study, in Proceedings of the National Academy of Sciences, concerns the intimate signaling between the ribosome and an elongation factor (EF-Tu) that is essential to the successful assembly ...
Studies and Analyses |
Read moreNew hydrogen-storage method discovered
The discovery paves the way for an entirely new way to approach the hydrogen-storage problem. The researchers found that the normally unreactive, noble gas xenon combines with molecular hydrogen (H2) ...
Life Sciences | Read moreEKG can show false positive readings for diagnosing heart condition
The study of 500 patients found a false positive reading between 77 and 82 percent in patients screened by electrocardiogram, and a false negative reading between 6 percent to 7 percent in the same pa...
Medical Engineering | Read moreIonic Liquid’s Makeup Measurably Non-Uniform at the Nanoscale
Their findings were published online in the Journal of Physics: Condensed Matter. The article was selected for inclusion in the Institute of Physics’ IOP Select, which is a special collection of artic...
Physics and Astronomy | Read moreNASA's Great Observatories Celebrate International Year of Astronomy
In celebration of this International Year of Astronomy, NASA is releasing images of the galactic center region as seen by its Great Observatories to more than 150 planetariums, museums, nature centers...
Physics and Astronomy | Read moreWhen seconds count: Interventional radiology treatment for pulmonary embolism saves lives
Catheter-directed therapy or catheter-directed thrombolysis—an interventional radiology treatment that uses targeted image-guided drug delivery with specially designed catheters to dissolve dangerous ...
Health and Medicine | Read moreSwift XMM-Newton Satellites Tune Into a Middleweight Black Hole
"Intermediate-mass black holes contain between 100 and 10,000 times the sun's mass," explained Tod Strohmayer, an astrophysicist at Goddard. "We observe the heavyweight black holes...
Physics and Astronomy | Read moreDrought resistance explained
Much as adrenaline coursing through our veins drives our body’s reactions to stress, the plant hormone abscisic acid (ABA) is behind plants’ responses to stressful situations such as drought, but how ...
Life Sciences | Read moreMale sabertoothed cats were pussycats compared to macho lions
Commonly called the sabertoothed tiger, Smilodon fatalis was a large predatory cat that roamed North and South America about 1.6 million to 10,000 years ago, when there was also a prehistoric cat call...
Studies and Analyses | Read moreCarbon Atmosphere Discovered on Neutron Star
"The compact star at the center of this famous supernova remnant has been an enigma since its discovery," said Wynn Ho of the University of Southampton and lead author of a paper that appear...
Physics and Astronomy | Read moreU of A physicist identifies mysterious core left by exploding star
Heinke and a colleague have identified the 20 kilometre-wide remnant of the supernova as a neutron star. It's the youngest neutron star ever identified, and its atmosphere, a thin layer of carbon...
Physics and Astronomy | Read moreRare Space Experiment Gives Clues About the Fundamental Structure of the Universe
The experiment was performed by a team that includes astrophysicists at Penn State University, who used NASA's Fermi Gamma Ray Space Telescope to study particles from the explosion moving at near...
Physics and Astronomy | Read moreNew supercomputer sets record for highest performance in PC clusters, Japan
Named RICC (RIKEN Integrated Cluster of Clusters), the supercomputer is made up of four distinct computer clusters connected through InfiniBand interconnections, and has achieved a performance of 97.9...
Information Technology | Read moreNew Celestial Map Gives Directions for GPS
The system works well, and millions rely on it every day, but what tells the GPS satellites where they are in the first place? "For GPS to work, the orbital position, or ephemeris, of the...
Information Technology | Read moreBlast from the past gives clues about early universe
Astronomers using the National Science Foundation's Very Large Array (VLA) radio telescope have gained tantalizing insights into the nature of the most distant object ever observed in the Univers...
Physics and Astronomy | Read more
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