Schaedler was born in Hanover, Germany in 1972 and studied architecture at the University of Hanover.

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Researchers from the security group at Leibniz University of Hanover and the computer science department at the Philipps University of Marburg tested the most popular apps in Google's Play store.

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"If there is a supernova in our vicinity during the next couple of months, our chances of detecting and measuring the resulting gravitational waves are good, " said Professor Karsten Danzmann, head of the International Centre for Gravitational Physics, which is jointly run by the Max Planck Society and the University of Hanover.

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Dr Marina Davila Ross, from the University of Portsmouth and Professor Elke Zimmermann at the University of Veterinary Medicine in Hanover, Germany, studied the play behaviour of 25 orang-utans aged between two and 12 at four primate centres around the world.

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There is also Hanover School District (PA), University of Connecticut and Kingston University in London, and the schools shown on this map.

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Arntzen, who obtained his U.S. citizenship in 1985, attended Ohio Wesleyan University and Columbia's school of international affairs before joining Manufacturers Hanover in 1979.

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