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Biologists studying the evolution of social behaviour are at loggerheads. The disputes — mainly over methods — are holding back the field, says Samir Okasha.
Alexander Gann and Jan Witkowski unveil newly found letters between key players in the DNA story. Strained relationships and vivid personalities leap off the pages.
The continent's patent system is Byzantine, but current proposals for a new EU-wide patent could make matters worse, warns Bruno van Pottelsberghe de la Potterie.
