A NERC-funded researcher is tracking a number of migrating marine turtles which could be sent off-course or washed ashore by Hurricane Isabel. Updates on the turtles’ progress can be followed on the web.
Dr Brendan Godley and colleagues from the University of Exeter are using satellite technology to track the endangered green and loggerhead turtles as they leave their nesting beaches in North Carolina and the Cayman Islands and start the long journey to their winter foraging grounds. They attach satellite transmitters to the turtles’ shells and each time a turtle surfaces to breathe, the transmitter sends signals to satellites which calculate its position. The transmitter can also provide information on the depth and duration of dives, giving an insight into where and how turtles forage for food.
Says Dr Godley, “We started tracking the turtles to find out where they live when they are not breeding. Locating the foraging sites of marine turtle populations is vital if we are to protect them. But now some of them off the coast of the USA are actually experiencing Hurricane Isabel and it’s possible they could be forced out to sea or even washed ashore.”
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Physicists have developed a new technique that uses electrical voltages to control the electron spin on a chip. The newly-developed method provides protection from spin decay, meaning that the contained information can be maintained and transmitted over comparatively large distances, as has been demonstrated by a team from the University of Basel’s Department of Physics and the Swiss Nanoscience Institute. The results have been published in Physical Review X.
For several years, researchers have been trying to use the spin of an electron to store and transmit information. The spin of each electron is always coupled...
What is the mass of a proton? Scientists from Germany and Japan successfully did an important step towards the most exact knowledge of this fundamental constant. By means of precision measurements on a single proton, they could improve the precision by a factor of three and also correct the existing value.
To determine the mass of a single proton still more accurate – a group of physicists led by Klaus Blaum and Sven Sturm of the Max Planck Institute for Nuclear...
The research team of Prof. Dr. Oliver Einsle at the University of Freiburg's Institute of Biochemistry has long been exploring the functioning of nitrogenase....
A one trillion tonne iceberg - one of the biggest ever recorded -- has calved away from the Larsen C Ice Shelf in Antarctica, after a rift in the ice,...
Physics supports biology: Researchers from PTB have developed a model system to investigate friction phenomena with atomic precision
Friction: what you want from car brakes, otherwise rather a nuisance. In any case, it is useful to know as precisely as possible how friction phenomena arise –...
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