Sergio Pistoi, Germany
Do microbes control our mood?
Do microbes control our mood? If aliens were to examine a human, they would think we were just slavish organisms designed to feed microbes and carry them around. Our bodies contain ten times more bacteria than cells , and there are an estimated 3.
Power of the Sun. Dirt cheap
Power of the Sun. Dirt cheap In the late 1980s, the German-born chemist Michael Gr├Ątzel literally tied his name to an invention that is hailed as a  revolution in renewable energy .
Beauty is in the moth's eyes
Beauty is in the moth's eyes If you wear glasses, you are probably reading this article by looking through a tiny, transparent layer of nanomaterial.
Tilmann Leisegang: "Towards a miniature X-ray laboratory"
Tilmann Leisegang: "Towards a miniature X-ray laboratory" More than a century after their discovery, X-rays still claim their place in medicine and science.