|  |  French riot police use tear gas on anti-tax protesters
 French riot police fired tear gas at thousands of demonstrators in north-west France on Saturday, after some protesters hauled stones and iron bars at them in a rally against a controversial green tax and layoffs. ... more
 
 |  |  Satellite instrument set to provide weather forecasters with better data
 An instrument that will give forecasters better data about world weather systems is ready to go into the satellite that will take it into orbit, NASA says.  ... more
 
 |  |  Vast Antarctic sanctuary plans fail
 Plans to create two vast ocean sanctuaries in Antarctica to protect the pristine wilderness failed Friday for a third time, with Russia and China blocking the bids, delegates at multi-nation talks said. ... more
 
 |  |  Breakthrough in hunt for HIV vaccine
 US scientists seeking to unravel the mysteries of HIV have made an important breakthrough after capturing the clearest image yet of a protein which allows the deadly virus to attack human immune cells, new research showed Tuesday. ... more
 
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