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The exotic theory of everything could shed light on the behaviour of real materials, thanks to an unexpected mathematical connection with condensed-matter physics.
The United States' 2009 financial stimulus bill has provided research with breathing space, rather than the sharp shot in the arm that many anticipated.
Since the anthrax attacks in 2001, some $60 billion has been spent on biodefence in the United States. But the money has not bought quite what was hoped.
Some of the most powerful earthquakes emanate from remote ocean-floor faults. Geophysicists are now laying networks of sensors to keep tabs on these hidden killers.