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Search resuls for: "University of Alicante"


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CNN —Round discs of barren dirt known as “fairy circles” look like rows of polka dots that can spread for miles over the ground. Fairy circles were previously spotted only in the arid lands of Southern Africa’s Namib Desert and the outback of Western Australia. The results showed 263 dryland locations where there were circular patterns similar to fairy circles in Namibia and Australia. Fairy circles’ mysterious originsThe study authors also compiled environmental data where circles were spotted, collecting evidence that might hint at what causes them to form. But the question “What shapes fairy circles?” is complex, and factors that create fairy circles may differ from site to site, the study authors reported.
Persons: , Emilio Guirado, Guirado, , Stephan Getzin, Getzin, Fiona Walsh, Walsh, ” Walsh, ” Guirado, Mindy Weisberger Organizations: CNN, National Academy of Sciences, Multidisciplinary Institute, Environmental Studies, University of Alicante, University of Göttingen, University of Western, , Scientific Locations: Southern, Western Australia, Spain, Namibia, Australia, Africa, Western Sahara, of Africa, Madagascar, Midwestern Asia, Southwest Australia, Germany, University of Western Australia, Northern Territory
Prehistoric cave paintings discovered in Spain using drones
  + stars: | 2023-06-07 | by ( Jack Guy | ) edition.cnn.com   time to read: +3 min
CNN —Archaeologists in Spain have discovered prehistoric paintings in hard-to-reach caves in the east of the country using drone technology. The use of drones allowed researchers to quickly gather evidence of previously unseen cave paintings dating from 5,000- 7,500 years ago, according to a statement from the team at the University of Alicante, Spain. A cave painting of deer found using drones. Courtesy Javi MolinaExploring new heightsResearchers came up with the idea of using drones because “on many occasions we have risked our lives to access cavities located in rugged geographical areas,” Molina told CNN Tuesday. “Secondly, the discovery of new cave paintings in this type of cave indicates that prehistoric man developed sophisticated means of climbing, perhaps by means of ropes or wooden scaffolding,” said Molina.
Persons: Javi Molina, , Francisco Javier Molina Hernández, Hernández, Virginia Barciela, ” Molina, Molina Organizations: CNN, University of Alicante, , Indiana Locations: Spain, Penàguila, Alicante, Valencia, Portugal, Europe
As climate change makes the region hotter and drier, years of consecutive drought have depleted groundwater reserves. CLIMATE CHANGE TRENDSouthern Europe is not alone in suffering severe water shortages this year. The Horn of Africa is enduring its worst drought in decades, while a historic drought in Argentina has hammered soy and corn crops. "In terms of the climate change signal, it very much fits with what we're expecting," said Hayley Fowler, Professor of Climate Change Impacts at Newcastle University. Some 90% of the mainland is suffering from drought, with severe drought affecting one-fifth of the country - nearly five times the area reported a year earlier.
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