In a feat that seems like something out of a microscopic version of Star Trek, MIT researchers have found a way to use a “tractor beam” of light to pick up, hold, and move around individual cells and other objects on ...
Oct 30, 2007
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A discovery about the genetics of coat color in dogs could help explain why humans come in different weights and vary in our abilities to cope with stress, a team led by researchers from the Stanford University School of ...
Oct 30, 2007
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UC San Diego electrical engineers have developed the world’s most complex “phased array” – or radio frequency integrated circuit. This DARPA-funded advance is expected to find its way into U.S. defense satellite communication ...
Engineering
Oct 30, 2007
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“As is often the case in science, everybody contributes their piece, forming a complete picture only after years hard work,” Amanda Weltman tells PhysOrg.com. Weltman, a scientist at the University of Cape Town and at ...
When the genetic material inside a cell’s nucleus starts to fall apart, a protein called ATM takes charge and orchestrates the rescue mission. Surprisingly, for ATM to kick into full gear, the stretches of DNA flanking ...
Oct 30, 2007
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Using two NASA satellites, astronomers have discovered the heftiest known black hole to orbit a star. The new black hole, with a mass 24 to 33 times that of our Sun, is more massive than scientists expected for a black hole ...
Astronomy
Oct 30, 2007
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A pair of galaxies, known collectively as Arp 87, is one of hundreds of interacting and merging galaxies known in our nearby Universe. Arp 87 was originally discovered and catalogued by astronomer Halton Arp in the 1970s. ...
Astronomy
Oct 30, 2007
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As reservoirs of valuable information go, nothing beats the sun. This sphere of heat and energy holds 99.9 percent of the solar system, saved in all original proportions after planets and meteorites formed. Analyzing the ...
General Physics
Oct 30, 2007
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Agricultural expansion rather than shrimp farming is the major factor responsible for the destruction of tropical mangrove forests in the tsunami-impacted regions of Indonesia, Malaysia, Thailand, Myanmar, Bangladesh, India, ...
Earth Sciences
Oct 30, 2007
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The automatic molecular assembly and selection steps exhibited by the molecules, which start as random mixtures, demonstrates a fundamental step in the evolution of life. The organization is activated by instructions which ...
Nanophysics
Oct 30, 2007
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