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42,000-year-old trees allow more accurate analysis of last Earth's magnetic field reversal


Credit: Nelson Parker
The last complete reversal of the Earth s magnetic field, the so-called Laschamps event, took place 42,000 years ago. Radiocarbon analyses of the remains of kauri trees from New Zealand now make it possible for the first time to precisely time and analyse this event and its associated effects, as well as to calibrate geological archives such as sediment and ice cores from this period. Simulations based on this show that the strong reduction of the magnetic field had considerable effects in the Earth s atmosphere. This is shown by an international team led by Chris Turney from the Australian University of New South Wales, with the participation of Norbert Nowaczyk from the German Research Centre for Geosciences Potsdam and Florian Adolphi from the Alfred Wegener Institute, in a study that now appears in the journal ....

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German media commends Vietnam's COVID-19 prevention, economic development


German media commends Vietnam’s COVID-19 prevention, economic development
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 24/01/2021
  
07:35
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German newswire Deutsche Welle (DW) recently ran an article hailing Vietnam’s successes in combating the COVID-19 pandemic as well as economic development on the threshold of the 13th National Party Congress.
The Communist Party of Vietnam will hold its 13th National Congress from January 25 to February 2. (Photo: VNA)
The article lauded Vietnam among few countries in the world that have been successful in preventing the outbreak, saying soon after the onset of the health emergency, authorities put in place strict measures to control the spread of the virus, which helped keep infection number under control throughout the year. ....

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