Saturday marked the 50th anniversary of the discovery of the quasar - an extremely bright object powered by matter falling into a super-massive black hole lying in the heart of a galaxy.
Astronomy
Mar 17, 2013
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A new method of establishing hair and eye colour from modern forensic samples can also be used to identify details from ancient human remains, finds a new study published in BioMed Central's open access journal Investigative ...
Archaeology
Jan 13, 2013
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With the US national debt standing at more than $16 trillion, the White House says it absolutely cannot spend $850 quadrillion on a "Star Wars"-inspired "Death Star" super-weapon.
Space Exploration
Jan 13, 2013
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(Phys.org)—British intelligence officials were baffled last month by a secret World War II message which a man had discovered on the leg of a dead pigeon when renovating his chimney in Surrey, England. He had found pigeon ...
British intelligence officials are baffled by a secret World War II message that was discovered on the leg of a dead pigeon, they admitted on Friday.
Other
Nov 23, 2012
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(Phys.org)—In the tribal societies of the Amazon forest, violent conflict accounted for 30 percent of all deaths before contact with Europeans, according to a recent study by University of Missouri anthropologist Robert ...
Social Sciences
Oct 2, 2012
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(Phys.org)—Anyone who follows the latest in robot technology is almost certainly familiar with Boston Dynamics' AlphaDog, the mechanical pack mule and descendant of the original Big Dog built at the behest of DARPA. It's ...
The Reuters news agency said Friday that one of its websites had been hacked and used to disseminate fake stories about Syria's rebel movement, the latest cyberattack to strike a media organization covering the country's ...
Internet
Aug 3, 2012
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In August 2010, shortly after WikiLeaks released tens of thousands of classified documents that cataloged the harsh realities of the war in Afghanistan, a group of friends - all computer experts - gathered at the New York ...
Computer Sciences
Jul 17, 2012
3
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Though worries about "nuclear winter" have faded since the end of the Cold War, existing stockpiles of nuclear weapons still hold the potential for devastating global impacts.
Environment
Jul 2, 2012
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