Sunday's Women's Champions League semi-final between Swedish side Umea IK and France's Lyon, though, has been postponed by Uefa.

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The Swedish study included funding from Biogen Idec, Merck Serono, and Umea University.

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"Normally, perch are shy and hunt in schools, but those who swim in oxazepam became considerably bolder, " said ecologist Tomas Brodin of Sweden's Umea University.

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Thomas Moritz, of the Umea Plant Science Centre in Sweden, and his colleagues, have found out how to make hybrid poplars that reflect this industrial preference.

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In tests on female volunteers, the Umea team showed that L. plantarum is capable of colonising common sites of infection, such as the urethral opening and the perineum.

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According to Margareta Bergman, of the Swedish University of Agricultural Sciences in Umea, however, this enhancement of growth is more than just the result of animal cutting and tearing.

ECONOMIST: Elk saliva stimulates plant growth