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Containing a potential HIV explosion in the strife-torn Niger delta is a tough job — but circumstances are forcing the oil and gas industries to confront it. Colin Macilwain reports.
Life is full of events that are basically games, from paying for a meal to bidding in an auction. Can incorporating a quantum strategy into the rule book increase your chances of winning? Navroz Patel reports.
With the use of transgenic crops expanding around the globe, we need to decide what level of unapproved plants we are willing to accept in our diets. Zero is not an option, says Heidi Ledford.