05/12/2011

Shredder Challenge solved

Almost 9,000 teams registered to participate in DARPA's Shredder Challenge. Thirty-three days after the challenge was announced, one small San Francisco-based team correctly reconstructed each of the five challenge documents ...

Bacteria convert wastewater chemicals into toxic form

(PhysOrg.com) -- While traces of pharmaceutical compounds are commonly present in wastewater, interactions with bacteria during the treatment process could transform them from non-toxic to toxic forms, a new study suggests.

NSV 11749 - born again and grown old

In 1996, a Japanese amateur astronomer discovered a new star in the constellation Sagittarius. Dubbed V4334 Sgr, astronomers initially expected it to be a typical novae, but closer examination revealed it to be a previously ...

German researchers set world record in one-loop computations

Professor Dr. Stefan Weinzierl of the Institute of Physics of Johannes Gutenberg University Mainz (JGU, Germany) and his group recently published a numerical computation of jet rates for the process e+e- -> ...

ESA's space weather station Proba-2 tracks stormy sun

(PhysOrg.com) -- Researchers gathered for European Space Weather Week have been presented with the latest results from ESA’s own space weather station: the Proba-2 microsatellite.

Mountains and buried ice on Mars

(PhysOrg.com) -- New images from Mars Express show the Phlegra Montes mountain range, in a region where radar probing indicates large volumes of water ice are hiding below. This could be a source of water for future astronauts.

Dating the world's language families

(PhysOrg.com) -- A computerized method for determining when prehistoric languages were spoken has been developed by an international group of scholars known as the ASJP (Automated Similarity Judgment Program) consortium. ...

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