Lisa Sauermann Returns to the University of Bonn

The Hausdorff Center for Mathematics (HCM) at the University of Bonn has again succeeded in attracting a top mathematician back to Germany, as Lisa Sauermann has accepted an offer and recently started as Hausdorff Chair at the Bonn Cluster of Excellence; she comes to this high-profile position from the Massachusetts Institute of Technology in Cambridge, US, where she was Assistant Professor. A University of Bonn alumna, Professor Sauermann became known for her outstanding mathematical talent as a young teen. 

Supporting and Inspiring Schoolchildren

The University of Bonn has today signed a school partnership agreement with the city’s Beethoven-Gymnasium. The two institutions are thus giving their existing cooperation an official framework that will be fleshed out in the coming years with a wide range of activities.

Agriculture study delivers unexpected results

Farmers usually plant so-called cover crops after harvesting their main crop in the Fall. This prevents erosion of the soil and nutrient leaching. The roots of these crops also stabilize the structure of the soil. It had been assumed up to now that a mixture of different cover crops would result in particularly intensive rooting. However, a recent study carried out by the University of Bonn, University of Kassel and University of Göttingen found only limited evidence that this is the case. Instead, mixed cover crops grow thinner roots than when just one single type of cover crop is planted. This result was unexpected. It documents how little is currently understood about the interactions between plant roots. The study was published in the magazine “Plant and Soil.”

A Truly Interstellar Physics Show

The University of Bonn’s highly popular Physics Show will be premiering a new program on Saturday, September 9 and Sunday, September 10, starting at 2 pm on both days. Come along to the Wolfgang Paul lecture hall at Kreuzbergweg 28 in Bonn to find out all about the kingdom on the planet Promethea. Can Franzi and Fred help justice win the day? The team led by Prof. Herbert Dreiner will be showcasing all kinds of physics experiments as the plot thickens. Anyone interested can sign up at

How the Immune System Keeps Gut Bacteria under Control

How are bacteria on our mucous membranes affected by type-A antibodies (IgA)? Assistant professor Dr. Tim Rollenske works at University Hospital Bonn to study specific immune system effects on the intestinal tract. Dr. Rollenske is leader of an Emmy Noether Research Group newly formed at the University of Bonn, which he believes will open the door to a professorship. The German Research Foundation (DFG) will be providing up to two million euros in funding for the project over the next six years. The research results could lead to more effective vaccination strategies for the mucous membranes and support efforts to counter antibiotic-resistant bacteria. 

Study calls for improvements in climate protection

Projects that reduce deforestation often sell carbon credits - for instance, to consumers purchasing airline tickets. However, over 90 percent of these project credits do not actually offset greenhouse gas emissions. This is the conclusion of a study conducted by the Vrije Universiteit Amsterdam (Netherlands), the University of Bonn, the University of Cambridge (United Kingdom) and the European Forest Institute in Barcelona (Spain). It was carried out on an exemplary basis for 26 projects in six countries. The results have now been published in the renowned journal Science.

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