07/11/2012

House finches 'avoid sick members of their own'

House finches avoid sick members of their own species, scientists said in a finding that could be useful for tracking the spread of diseases like bird flu that also affects humans.

Election most tweeted event in US political history

Election day in the United States became the most tweeted about event in US political history Tuesday with enthusiastic netizens firing off 20 million poll-related tweets, the social network said.

Pacific's Tokelau in world first solar switch

The remote Pacific islands of Tokelau have become the first territory in the world to generate their electricity entirely from solar energy, in a project hailed as an environmental milestone.

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