Daily non-political popular news in brief.
Researchers using Arecibo Telescope discover never-before-seen pulsar blasts in Crab Nebula
01-08-2007 · EurekAlert!Astronomers and physicists using the Cornell-managed Arecibo Telescope in Puerto Rico have discovered radio interpulses from the Crab Nebula pulsar that feature never-before-seen radio emission spectra. This leads scientists to speculate this could be the first cosmic object with a third magnetic pole.
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Keywords: researchers, arecibo, telescope, discover, never-before-seen, pulsar, blasts, crab, nebula, researcher, never, before, seen, blast
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- Biologists at Tufts University discover 1 reason why chromosomes break, often leading to cancer
08-02-2007 · EurekAlert!
In the past 10 years, researchers in genome stability have observed that many kinds of cancer are associated with areas where human chromosomes break. They have hypothesized -- but never proven -- that slow or altered replication led to the chromosomes breaking. A new Tufts University study proves the hypothesis after molecular biologists used yeast artificial chromosomes to find a highly flexible DNA sequence that increases fragility and stalls replication, which then causes the chromosome to break.
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- When washed in sunlight, asteroids hit the spin cycle, Cornell researchers find
03-07-2007 · EurekAlert!
The sun is a cosmic spinmeister. Using the highly sensitive radar telescope at the Cornell University-managed Arecibo Observatory in Puerto Rico and Goldstone antenna in California, Cornell astronomers have confirmed a theory that sunlight and the asteroid's shape determine how an asteroid's rotation evolves. Their research is reported today in Science Express, the online edition of the journal Science.
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- Hubble finds double Einstein ring
01-10-2008 · EurekAlert!
The NASA/ESA Hubble Space Telescope has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other like a bull's-eye pattern. The double-ring pattern is caused by the complex bending of light from two distant galaxies strung directly behind a foreground massive galaxy, like three beads on a string.
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- Hubble finds double Einstein ring, and other results
01-11-2008 · European Space Agency (ESA)
The NASA/ESA Hubble Space Telescope has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other like a bull's-eye pattern. The double-ring pattern is caused by the complex bending of light from two distant galaxies strung directly behind a foreground massive galaxy, like three beads on a string.
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- Scientists discover new role for miRNA in leukemia
12-09-2007 · EurekAlert!
Scientists here have found that mini-molecules called micro-RNA may play a critical role in the progression of chronic myeloid leukemia from its more treatable chronic phase to a life-threatening phase, called blast crisis.Furthermore, they discovered an entirely new function for these molecules. The researchers show that microRNAs can sometimes directly control a protein’s function -- not just whether or not the protein is made by the cell, as has been believed.
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- Hubble yields direct proof of stellar sorting in a globular cluster
10-24-2006 · EurekAlert!
A seven-year study with the NASA/ESA Hubble Space Telescope has provided astronomers with the best observational evidence yet that globular clusters sort out stars according to their mass. Heavier stars slow down and sink to the cluster's core, while lighter stars pick up speed and move across the cluster to its periphery. This process, called "mass segregation," has long been suspected for globular star clusters, but has never before been directly seen in action.
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- MIT team discovers bacterial surprise
12-03-2007 · Massachusetts Institute of Technology (MIT)
A team of MIT researchers and others has discovered that bacteria employ a type of DNA modification often used in the laboratory as a step toward gene therapies of human disease. This modification has never before been seen in nature.
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- Another step toward a liquid telescope on the moon
06-20-2007 · EurekAlert!
An international team including researcher Ermanno Borra, from Université Laval's Center for Optics, Photonics, and Laser, has taken another step toward building a liquid telescope on the moon. The researchers have found a combination of materials that allows the creation of a highly reflective liquid mirror capable of functioning even under harsh lunar conditions. The details of the discovery made by Borra and his colleagues will be published in the June 21 edition of Nature.
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- Smithsonian researcher probes Hope Diamond's fiery red glow
01-08-2008 · EurekAlert!
A study released in the January 2008 edition of the journal Geology proves that a blue diamond's rare appeal goes far beyond its beauty. The study was conducted by Jeffrey Post, curator of the National Gem Collection and mineralogist, at the Smithsonian's National Museum of Natural History. Post and six other researchers probed the mysterious phosphorescence of the Hope Diamond and other natural blue diamonds and discovered a way to "fingerprint" individual blue diamonds.
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- Astronomers weigh 200-million-year-old baby galaxies
10-25-2006 · EurekAlert!
Astronomers have taken amazing pictures of two of the most distant galaxies ever seen. The ultradeep images, taken at infrared wavelengths, confirm for the first time that these celestial cherubs are real. The researchers are now able to weigh galaxies and determine their age at earlier times than ever before, providing important clues about the evolutionary origins of galaxies like our Milky Way.
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