News tagged with globular clusters
Vampires and collisions rejuvenate stars
Dec 23, 2009 |
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Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...
Even stars get fat -- And 'stellar cannibalism' is the reason
Jan 14, 2009 |
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Researchers have discovered evidence that blue stragglers in globular clusters, whose existence has long puzzled astronomers, are the result of 'stellar cannibalism' in binary stars. In other words, binary ...
Most Black Holes Might Come in Only Small and Large
Aug 20, 2008 |
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(PhysOrg.com) -- Black holes are sometimes huge cosmic beasts, billions of times the mass of our sun, and sometimes petite with just a few times the sun's mass. But do black holes also come in size medium? ...
Globular clusters tell tale of star formation in nearby galaxy metropolis
Aug 05, 2008 |
4.3 / 5 (13) |
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Globular star clusters, dense bunches of hundreds of thousands of stars, contain some of the oldest surviving stars in the Universe. A new international study of globular clusters outside our Milky Way Galaxy ...
Search results for globular clusters
Genomic toggle switches divide autoimmune diseases into distinct clusters
Dec 23, 2009 |
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Genomic switches can predispose an individual to one set of autoimmune disorders but protect the same person against another set of them, scientists at Stanford University School of Medicine have found.
Scientists discover 2 genes that drive aggressive brain cancers
Dec 23, 2009 |
5 / 5 (1) |
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A team of Columbia scientists have discovered two genes that, when simultaneously activated, are responsible for the most aggressive forms of human brain cancer.
How do you improve mammogram accuracy? Add noise
Technology / Computer Sciences
Dec 22, 2009 |
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Members of a Syracuse University research team have shown that an obscure phenomenon called stochastic resonance (SR) can improve the clarity of signals in systems such as radar, sonar and even radiography, used in medical ...
Up a little on the left... now, over to the right... Scientists find a source of nonallergic itch
Dec 22, 2009 |
4.8 / 5 (4) |
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Scratching below the surface of a troublesome sensation that's equal parts tingle-tickle-prickle, sensory scientists from Johns Hopkins have discovered in mice a molecular basis for nonallergic itch.
Switchable Nanostructures Made with DNA
Nanotechnology / Bio & Medicine
Dec 21, 2009 |
4.6 / 5 (9) |
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting ...
Physicists detect two candidate dark matter interactions, but say the data are not conclusive
Dec 18, 2009 |
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(PhysOrg.com) -- Scientists have spent decades searching for the elusive material known as dark matter, which is believed to make up 25 percent of the universe. On Thursday, Dec. 17, a team of physicists including ...
Study finds orphanages are viable options for some children
Other Sciences / Social Sciences
Dec 18, 2009 |
not rated yet |
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A Duke University study of more than 3,000 orphaned and abandoned children in five Asian and African countries has found that children in institutional orphanages fare as well or better than those who live in the community.
Brain surgery evolves to destroy rogue blood vessels
Dec 16, 2009 |
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(PhysOrg.com) -- Over three decades, a world-recognized medical team at UC San Diego Medical Center has spurred the evolution of a complex surgery to destroy dangerous clusters of arteries and veins in the brain. Integrating ...
Exploring energy efficiency in multi-scale computing systems
Dec 16, 2009 |
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The University of California, San Diego and nine other universities are members of a new research center charged with finding ways to improve the design of computing systems ranging from large data centers ...
Black Holes in Star Clusters stir up Time and Space (w/ Video)
Dec 16, 2009 |
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(PhysOrg.com) -- Within a decade scientists could be able to detect the merger of tens of pairs of black holes every year, according to a team of astronomers at the University of Bonn’s Argelander-Institut ...
List of search results for globular clusters
