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Newsarchiv: Creating knowledge since 1502
Jahr 2018
Size matters: Biologists are studying how thrips choose their partners
The bigger the male, the higher his chances to successfully mate – this applies, at least, to thrips, insects measuring only two to three millimetres in length that are hard to recognise with the naked eye. The larger males not only drive off their smaller rivals, they also have better immune systems and produce more sperm. This is a discovery that was made by biologists at Martin Luther University Halle-Wittenberg.
Researchers develop dissolvable, easy-to-use milk capsules
Researchers at Martin Luther University have developed a milk capsule that dissolves when placed in a hot drink. Not only does this reduce the consumption of packaging material, the capsules are easier to use than conventional plastic containers. The research group published its findings in the journal "Chemical Engineering & Technology".
Psychology: playful people are at an advantage
Adults can positively utilise their inclination towards playfulness in many situations. They are good at observing, can easily see things from new perspectives, and can turn monotonous tasks into something interesting. At the same time, playfulness should not be equated with humour. Instead we need a new vocabulary to describe it, write psychologists from Martin Luther University Halle-Wittenberg (MLU) in the current issue of the international journal "Personality and Individual Differences".
Competing forces: How molecules maintain their structure
A double helix twisted around itself: this is the distinctive structure of DNA, which is made up of large molecules. Using synthetically produced molecules, chemists and physicists at Martin Luther University Halle-Wittenberg (MLU) have investigated the forces which are at work inside the molecule to give it its three-dimensional structure. They have discovered that there are two primary forces at play that can strengthen or weaken one another.
High sugar consumption leads to dental treatment costs in the billions
Worldwide, people are eating far too much sugar. This has negative consequences for their teeth and for their purses: seen at the global level, the costs of dental treatment are currently running at around 172 billion US dollars (128 billion euros). In Germany alone, these amount to 17.2 billion euros (23 billion US dollars) a year, a study led by the Martin Luther University says.
Jahr 2017
Scientists reveal core genes involved in honey bee immune system
An international team of researchers has identified a core set of genes involved in the responses of honey bees to multiple diseases caused by viruses and parasites. The findings provide a better-defined starting point for future studies of honey bee health, and may help scientists and beekeepers to breed honey bees that are more resilient to stress. Researchers from Martin Luther University and the German Centre for Integrative Biodiversity Research (iDiv) contributed to the study that was recently published in "BMC Genomics".
"Nature": No single protein determines queen development in honeybees
The proteins in the larval food of honeybees are not specific determinators to make the larvae grow into queens – that includes the protein royalactin, which had been previously claimed to be the "queen determinator" in a highly regarded study in 2011. This is the conclusion of a study carried out by researchers at Martin Luther University Halle-Wittenberg and published in the internationally renowned journal "Nature".
Heisenberg Professorship strengthens Oriental Research at the University of Halle
Martin Luther University Halle-Wittenberg (MLU) has filled another Heisenberg Professorship through the support of the German Research Foundation (DFG). The internationally renowned researcher of Oriental Christian Studies, Dr Cornelia B. Horn, will assume the professorship "Language and Cultures of the Christian Orient" starting in winter semester 2016/17. The appointment of Dr Horn by Rector Professor Udo Sträter further strengthens the unique position of the Institute of Oriental Studies at MLU which examines the Islamic, Oriental-Christian and Jewish traditions as part of its research and teaching.
Heisenberg Professorship strengthens biosciences at the University of Halle
Developmental geneticist Christian R. Eckmann has received a Heisenberg Professorship from the German Research Foundation (DFG). The internationally recognised scientist, who previously received funding from the DFG as a Heisenberg fellow, has been conducting research at Martin Luther University Halle-Wittenberg (MLU) since 2015. His research focuses on molecular control mechanisms that govern the generation and differentiation of germ cells. The professorship "Developmental Genetics", which Eckmann will hold starting on 1 October, will be funded by the DFG until 2020; he will then be taken on by MLU on a permanent basis.
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Sweat bees on hot chillies: native bees thrive in traditional farming, securing good yield
Farming doesn`t always have to be harmful to bees. On the contrary, even though farmers on the Mexican peninsula of Yucatán traditionally slash-and-burn forest to create small fields, this practice can be beneficial to sweat bees by creating attractive habitats. The famers profit as well since they depend on these insects to pollinate their habanero chillies. This discovery by an international team of authors, headed by Martin Luther University Halle-Wittenberg (MLU), was recently published in the international "Journal of Applied Ecology".
The diversity of resources determines the diversity of species
It is well-established that the more species that thrive in a habitat, the better it is at weathering a variety of events from floods to drought to fire. Now, an international study with strong ties to the Helmholtz Centre for Environmental Research (UFZ), the Martin Luther University Halle-Wittenberg (MLU) and the German Centre for Integrative Biodiversity Research (iDiv) is shedding new light on the effect of an increasingly common human-caused disturbance — the addition of nutrients such as nitrogen, phosphorus and potassium — on a wide range of grassland ecosystems around the world. Results are published in "Nature".