It was not that cold in subarctic areas of Russia during the epoch of the latest glaciation. This has been proved by the remains of animals found there - not only remains of such frost-resisting animals as mammoths and reindeers, but also those of horses.
During the latest ice age, i.e. 25-15,000 years ago, it was not that cold in the subarctic part of the trans-Ural region as it had been considered earlier. The territory was not covered by glacial wilderness, but by dry and low-snowy steppe. In these conditions, large herbivorous animals, such as mammoths, woolly rhinoceroses (Coelodonta), reindeers, musk-oxen and even ordinary horses felt pretty well. Glaciation took place much earlier in these area – more than 40,000 years ago.
Such conclusion has been made by the researchers of St.-Petersburg State University, after they investigated remains of plants and bones of large animals found on the banks of the Ob River in the area of polar circle. Bones and teeth of the mammoth, musk-ox and horse, pieses of wood, twigs of bushes, peat and silt were exposed to radiocarbon analysis. Almost all bones turned out to be younger than 40,000 years, while glacial sediment is evidently more ancient.
Ten-year anniversary of the Neumayer Station III
18.01.2019 | Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
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16.01.2019 | Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
The scientific and political community alike stress the importance of German Antarctic research
Joint Press Release from the BMBF and AWI
The Antarctic is a frigid continent south of the Antarctic Circle, where researchers are the only inhabitants. Despite the hostile conditions, here the Alfred...
World first experiments on sensor that may revolutionise everything from medical devices to unmanned vehicles
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Dead and alive at the same time? Researchers at the Max Planck Institute of Quantum Optics have implemented Erwin Schrödinger’s paradoxical gedanken experiment employing an entangled atom-light state.
In 1935 Erwin Schrödinger formulated a thought experiment designed to capture the paradoxical nature of quantum physics. The crucial element of this gedanken...
Cellulose obtained from wood has amazing material properties. Empa researchers are now equipping the biodegradable material with additional functionalities to produce implants for cartilage diseases using 3D printing.
It all starts with an ear. Empa researcher Michael Hausmann removes the object shaped like a human ear from the 3D printer and explains:
The phenomenon of so-called superlubricity is known, but so far the explanation at the atomic level has been missing: for example, how does extremely low friction occur in bearings? Researchers from the Fraunhofer Institutes IWM and IWS jointly deciphered a universal mechanism of superlubricity for certain diamond-like carbon layers in combination with organic lubricants. Based on this knowledge, it is now possible to formulate design rules for supra lubricating layer-lubricant combinations. The results are presented in an article in Nature Communications, volume 10.
One of the most important prerequisites for sustainable and environmentally friendly mobility is minimizing friction. Research and industry have been dedicated...
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