Pocket diagnosis

A new app which turns any smartphone into a portable medical diagnostic device could help in the fight against diseases including HIV, tuberculosis and malaria in the developing world.

How AI could spur drug development

Using artificial intelligence in drug design would give pharmaceutical research a boost, says Gisbert Schneider. In the medium term, computers could even carry out experiments autonomously.

Twitter to show whereabouts of tweeters

Twitter is adding location to its globally popular microblogging service in a move that will let people see where "tweets" are coming from.

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