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    Eine Arbeiterin der Rossameisen-Art Camponotus floridanus. Foto: Heike Feldhaar

    Many pathogenic bacteria are becoming increasingly resistant to antibiotics. New agents are needed urgently, and the quest for them is also being extended to the ant world. It is here that Würzburg biologists have now made a new discovery.

    Eine Berglandhummel (Bombus monticola) im Nationalpark Berchtesgaden auf einer Kleeblüte. Foto: Bernhard Hoiß

    If climate change continues unabated, it is likely to endanger numerous wild bees in high mountains and cooler regions of the globe – with unforeseeable consequences for biodiversity there. This is the conclusion being drawn by scientists from the University of Würzburg’s Biocenter based on their research.

    Diese an der Universität Würzburg hergestellte Struktur aus Halbleitermaterial mit integrierten Quantenpunkt-Nanostrukturen sendet einzelne Photonen aus. Bild: Physikalisches Institut

    Physicists have succeeded in using semiconductor nanostructures to produce single photons electrically and transfer them via a quantum channel. The application of these single photon sources is seen as further progress toward broader use in secure data communication.

    Wenn Raupen oder andere Insekten an glucosinolathaltigen Pflanzen wie Brokkoli fressen, kommen die Glucosinolate in Kontakt mit dem Enzym Myrosinase. Dieses setzt die Senföle frei, die dann die hungrigen Insekten vertreiben. Grafik: Dietmar Geiger

    Broccoli and other plants use mustard oils to ward off pests. These natural substances are also thought to have a preventive effect on cancer. A German-Danish team is now presenting new findings about mustard oils in plant science in “Nature” – with interesting prospects for agriculture.