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Topics in September

Aug 29, 2012

In the Realm of Radiation

Research using advanced technology: The scientists use special lasers and X-rays to study the properties of liquids and materials in solution.

Researchers at a new research lab operated by the Helmholtz Zentrum Berlin (HZB) and Freie Universität Berlin aim to gather new insight into the structure and dynamics of liquids and materials in solution.

From a distance, it looks like a UFO has landed right in the middle of the growing Adlershof technology park. Nearly round and silver, it sits amid spacious fields and lawns, the building housing the Helmholtz Zentrum Berlin für Materialien und Energie (HZB). BESSY II is the name of this electron storage ring, where the elemental particles of our matter are accelerated to near light speed and driven around in a circle. The process generates light across a broad spectrum of wavelengths, dubbed “synchrotron radiation.” This includes high-intensity X-rays, but also visible light as well as Terahertz radiation. At times the light is millions of times brighter than the sun.

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“Curiosity – and not taking things at face value”

Peter Seeberger with a collection of hazardous stuffed animals: the pathogen of pneumonia (orange at left), hospital infection (front left), anthrax (white rear), gastritis (brown front), toxoplasmosis (front right), diarrhea (purple rear).

Chemist Peter Seeberger is successful in active ingredient research.

He is a chemist, has several companies, and is active in the fight against global epidemics. Chemistry, business, or medicine – what interests Peter Seeberger the most? “All of it,” he says. After all, Seeberger, a professor of chemistry at Freie Universität and the head of the Biomolecular Systems department at the Max Planck Institute (MPI) of Colloids and Interfaces, combines the three fields.

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In a Land before Our Time

Partial overview of the excavation in Leimbach near Nordhausen, south of the Harz Mountains in Thuringia.

An interdisciplinary team of researchers studies the influence of prehistoric migration patterns on past landscapes.

Even scholars have luck on their side at times. Take, for example, the scholars of ancient studies who are working near the city of Nordhausen, in the central German state of Thuringia, to uncover traces of two long-past cultures. “Immigration by one group into a society with a different structure can create tension. If it is possible to identify and analyze a situation like that occurring in the distant past, that’s an unusual stroke of luck for archaeologists,” says Michael Meyer, a professor at the Institute of Prehistoric Archaeology at Freie Universität Berlin and director of the Topoi cluster of excellence.

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