The role that reactive oxygen species play in sexual reproduction in plants has been discovered by researchers in the working group headed by biology professor Tina Romeis at the Dahlem Centre of Plant Sciences at Freie Universität Berlin, together with cooperation partners at the University of Würzburg and the University of Amsterdam.

What do department store chain Karstadt, Nokia, and Kodak have in common? All three have faced accusations of failing to respond in time to changing market conditions or new technologies. Long-standing camera manufacturer Leica also belongs on this list – it nearly missed the path to digital technology.

Cairo, Istanbul, and Nairobi – each of these three megacities has an official population of up to 16 million, with even more uncounted residents in the swelling settlements on the outskirts of town. Traffic chaos is the norm, and during the summer, the heat in the city is almost unbearable. Climate change will further exacerbate the issues faced by booming urban centers over the next few decades. But how can the microclimate in these areas be improved?