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Latest University of Bonn Stories

2010-01-20 15:09:45

Study shows: Nutrition has a direct influence on the immune system Bonn researchers have discovered an elementary mechanism which regulates vital immune functions in healthy people. In situations of hunger which mean stress for the body's cells, the body releases more antimicrobial peptides in order to protect itself. The scientists will publish their results in the journal Nature. T cells, B cells, antibodies are known as the 'SWAT team' of our immune system that intervenes when viruses and...

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2009-11-12 11:23:59

Geodesy researchers observe the mass distribution of the oceans The calculation of variations in the sea level is relatively simple. It is by far more complicated to then determine the change in the water mass. A team of geodesists and oceanographers from the University of Bonn, as well as from the GFZ German Research Center for Geosciences and the Alfred-Wegener Institute for Polar and Marine Sciences, two centers of the Helmholtz Association, have now, for the first time succeeded in doing...

2009-11-02 12:38:32

Genetic defect inhibits fruit flies from being able to store fat -- are there parallels to humans? Scientists at the University of Bonn have discovered a previously unknown fruit fly gene that controls the metabolism of fat. Larvae in which this gene is defective lose their entire fat reserves. Therefore the researchers called the gene 'schlank' (German for 'slim'). Mammals carry a group of genes that are structurally very similar to 'schlank'. They possibly take on a similar function in the...

2009-07-09 14:05:00

Bonn physicists take first step towards super-fast search algorithms for quantum computersWhen you toss a coin, you either get heads or tails. By contrast, things are not so definite at the microcosmic level. An atomic 'coin' can display a superposition of heads and tails when it has been thrown. However, this only happens if you do not look at the coin. If you do, it decides in favor of one of the two states. If you leave the decision where a quantum particle should go to a coin like this,...

2009-03-09 07:45:56

Bonn scientists discover gene locus associated with deformity Comparing 500,000 snippets of human DNA put scientists from the University of Bonn on the right track. A genetic variant on chromosome 8 occurs with significantly higher frequency in people with cleft lip and palate than in the control group. The results are to be published in the forthcoming issue of the journal Nature Genetics. Cleft lips and palates are among the most frequent innate abnormalities. One in about 700 babies in...

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2009-02-12 07:59:26

In the early Universe, some galaxies may have stars packed together a million times more closely than in the present day, according to research by a University of Bonn team to be published in a paper in Monthly Notices of the Royal Astronomical Society. In our Galaxy, we are used to the idea that even the nearest stars are light years away from the Sun. But a team of scientists led by Professor Pavel Kroupa of the University of Bonn think things were very different in the early Universe. In...

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2009-02-06 07:54:05

A missing link in the evolution of the front claw of living scorpions and horseshoe crabs was identified with the discovery of a 390 million-year-old fossil by researchers at Yale and the University of Bonn, Germany. The specimen, named Schinderhannes bartelsi, was found fossilized in slate from a quarry near Bundenbach in Germany, a site that yields spectacularly durable pyrite-preserved fossils "” findings collectively known as the Hunsrck Slate. The Hunsrck Slate has previously...

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2008-11-24 10:43:00

Connections between the nerves is one factor determining whether a person welcomes a change or tends to avoid anything new Some people are constantly seeking a new kick; some prefer to stick to tried and tested things. Which group you belong to seems to be connected, inter alia, with the 'wiring' of specific centers of the brain. This was discovered by scientists at the University of Bonn using a new method. Even how much acceptance people seek is apparently also determined by nerve fibers in...

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2008-07-28 16:10:00

Bio-acoustic method also hears nature's cry for help Switch on the mike, start the recording, the stage is set for the local fauna! Computer scientists from the University of Bonn, in conjunction with the birdsong archives of Berlin's Humboldt University, have developed a kind of 'Big Brother' for birds. This has nothing to do with entertainment, but a lot to do with the protection of nature. The new type of voice detector involved can reliably recognize the characteristic birdsong of...

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2008-07-23 11:29:56

A minimally invasive treatment for a common cause of male infertility can significantly improve a couple's chances for pregnancy, according to a new study published in the August issue of Radiology. The study, conducted at the University of Bonn in Germany, also found that the level of sperm motility prior to treatment is a key predictor of success. "Venous embolization, a simple treatment using a catheter through the groin, can help to improve sperm function in infertile men," said lead...