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Scientists discover species of dolphin that existed along South Carolina coast

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Continuing to uncover fossil evidence along the coast of South Carolina, researchers, led by a faculty member at College of Charleston, have discovered a species of extinct dolphin. The toothless dolphin, which lived about 28-30 million years ago, provides new evidence of the evolution of feeding behavior in whales (which includes dolphins).The species, named Inermorostrum xenops, lived during the same period as Coronodon havensteini, a species of ancient whale announced recently by investigators...Powered by WPeMatico

The science of fluoride flipping

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A new imaging technique helps UNC researchers study tiny, time-sensitive biological processes - the crucial underpinnings of human health and diseaseSo much of what happens inside cells to preserve health or cause disease is so small or time-sensitive that researchers are just now getting glimpses of the...Powered by WPeMatico

Icebergs: Mathematical model calculates the collapse of shelf ice

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Shelf ice, as found in Antarctica, refers to giant floating ice sheets that can span thousands of square kilometres. Pieces break off at their edges which form icebergs in the ocean. In order to more effectively predict these break-offs, in a process known as calving, Julia Christmann from the University of Kaiserslautern (TU) has developed mathematical models in cooperation with the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI). On the basis of physical factors, it is claimed that these models can be used to predict when and where the ice may collapse. This is important particularly for research teams situated on the ice shelf.The ice rises up like a sheer cliff face – shelf ice is not only several thousand square kilometres large, it is also more than a h

How cells hack their own genes

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Researchers at IMBA - Institute of Molecular Biotechnology of the Austrian Academy of Sciences - unveil novel mechanism for gene expression.DNA in all organisms from yeast to humans encodes the genes that make it possible to live and reproduce. But these beneficial genes make up only 2% of our DNA....Powered by WPeMatico

What the world’s tiniest ‘monster truck’ reveals

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The world's shortest race by distance -- a fraction of the width of a human hair -- was run on gold and silver tracks, and took a whopping 30 hours. Given that the vehicles were invisible to the naked eye, your typical racing fan might have missed it. But the April "nanorace" was a huge success for scientists working at the nanoscale. It spurred interest in molecular machines and led to a surprising new discovery, reports the team that entered a nano-sized "monster truck."The researchers are presenting their nanocar research today at the 254th National Meeting & Exposition of the American Chemical Society (ACS). ACS, the world's...Powered by WPeMatico

Treating arthritis with algae

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Researchers at ETH Zurich, Empa and the Norwegian research institute SINTEF are pursuing a new approach to treating arthritis. This is based on a polysaccharide, a long-chain sugar molecule, originating from brown algae. When chemically modified, this "alginate" reduces oxidative stress, has an anti-inflammatory effect in cell culture tests and suppresses the immune reaction against cartilage cells, thereby combating the causes of arthritis. The research is, however, still in its infancy.Arthritis is the most-widespread joint disease, with around 90 percent of all people over 65 being affected to varying degrees, but this degenerative disease...Powered by WPeMatico

Witnessing turbulent motion in the atmosphere of a distant star

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For the first time, astronomers have succeeded in obtaining a map of the turbulent motions in the atmosphere of a star other than the Sun, thanks to an innovative technique that combines three telescopes at the European Southern Observatory (ESO) on Cerro Paranal located in northern Chile. The astronomer Keiichi Ohnaka at the Universidad Católica del Norte in Antofagasta, Chile, led the research. He and his partners Gerd Weigelt and Karl-Heinz Hofmann from the Max Planck Institute for Radio Astronomy in Bonn, Germany obtained unprecedented velocity-resolved images of the surface and the atmosphere of a distant star.The team was able to measure the intensity (Figure 1) and velocity of the gas at each position over the surface and atmosphere of the red supergiant star...Powered by WPeMatico...

Machine control to user: Mitsubishi Electric and Fraunhofer IPT to unveil smart system for mobile devices in manufacturing

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Nowadays, workers on the shop floor are required to operate increasingly complex machinery whilst reacting flexibly to any disturbances. At the EMO Metal Working Trade Fair in Hanover from 18 – 23 September in Hall 25, Booth B94, Mitsubishi Electric and the Fraunhofer Institute for Production Technology IPT will be revealing for the first time, a smart information system which will deliver information tailored to match the requirements of the job in hand, straight from the machine control unit to the machine operator. This will slash the time required by the operator to make a decision and will permit even unfamiliar tasks to be solved more swiftly and more flexibly.Costs rapidly start to mount up in production when a machine unexpectedly comes to a standstill. The onus is then on the mach