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Hard cold work and unsung science heroes

The Sierra went down over the Arctic Ocean, about 60 miles from the northernmost tip of North America. One moment the unmanned aerial vehicle (UAV) with its 20-foot wingspan was up in the sky, gathering ...

Oct 21, 2013 4.6 / 5 (5) 0

Chinese city blanketed in heavy pollution

Choking clouds of pollution blanketed a Chinese city famed for its annual ice festival Monday, reports said, cutting visibility to 10 metres (33 feet) and underscoring the nation's environmental challenges.

Oct 21, 2013 5 / 5 (4) 0

Next question: can the NSA crack Tor keys?

(Phys.org) —"After more revelations, and expert analysis, we still aren't precisely sure what crypto the NSA can break. But everyone seems to agree that if anything, the NSA can break 1024 RSA/DH [DH refers ...

Sep 09, 2013 4.4 / 5 (14) 5 | with audio podcast weblog