Prof. Dr. Florian Leese of the Aquatic Ecosystems Group with specimens of isopod spiders at the Faculty of Biology in the University of Duisburg-Essen (DUE), Essen, North Rhine-Westphalia, Germany, Europe

Excursion of the working group for biodiversity takes water samples at the Lower Rhine in old Rhine arms and ponds, Faculty of Biology, University of Duisburg-Essen, Location: Grietherbusch, North Rhine-Westphalia, Germany, Europe

Collection of water samples by Prof. Dr. Jens Boenigk, head of the Biodiversity Research Group, from the University of Duisburg-Essen near Grietherbusch on the Lower Rhine, North Rhine-Westphalia, Germany, Europe

Students at the microscopy course in the Faculty of Biology at the University of Duisburg-Essen

Scientists of the Biodiversity Group of the University of Duisburg-Essen labelling water samples at Grietherbusch in the Lower Rhine region, North Rhine-Westphalia, Germany, Europe

Scientists of the Biodiversity Group of the University of Duisburg-Essen labelling water samples at Grietherbusch in the Lower Rhine region, North Rhine-Westphalia, Germany, Europe

Scientist in the field of genetic engineering in the Faculty of Biology at the University of Duisburg-Essen

Scientist in the field of genetic engineering in the Faculty of Biology at the University of Duisburg-Essen

Prof. Dr. Ulrich Schreiber at the high-pressure machine for simulating conditions deep in the earth for research on the origin of life, Faculty of Biology, Department of Geology, Laboratory at the University of Duisburg-Essen, Essen, Germany, Europe

Prof. Dr. Ulrich Schreiber at the high-pressure machine for simulating conditions deep in the earth for research on the origin of life, Faculty of Biology, Department of Geology, Laboratory at the University of Duisburg-Essen, Essen, Germany, Europe

Scientists in the poison room or laboratory with ethidium bromide during a DNA gel electrophoresis for the detection of nucleic acids in the Faculty of Biology at the University of Duisburg-Essen

Scientist pipetting in the poison room or laboratory with ethidium bromide during a DNA gel electrophoresis for the detection of nucleic acids in the Faculty of Biology at the University of Duisburg-Essen

Biology student at the microscope at the Faculty of Biology in the University of Duisburg-Essen during research work, Essen, North Rhine-Westphalia, Germany, Europe