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Tag Archives: كوربيديا

Four tips for learning language through film and TV

The Cast of Dix pour cent. Christophe Brachet/Netflix Neophytos Mitsigkas, University of Essex Films and TV shows can be great tools to help you become a more competent speaker of another language. By captivating your attention and arousing your curiosity, these formats can instil a positive attitude towards learning. They can also help you be a more active participant and …

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What is a protein? A biologist explains

Just 20 amino acids for chains in various combinations to create the thousands of varieties of proteins in our body. David Goodsell/ProteinDatabase, CC BY-SA Nathan Ahlgren, Clark University Editor’s note: Nathan Ahlgren is an assistant professor of biology at Clark University. In this interview, he explains exactly what proteins are, how they are made, and the wide variety of functions …

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They’re everywhere: New study finds polyester fibres throughout the Arctic Ocean

Scientists have found widespread evidence of microplastics in the Arctic Ocean. This could further stress the fragile Arctic ecosystem and the food it provides to people living there. (Shutterstock) Peter S. Ross, University of British Columbia The Arctic has long proven to be a barometer of the health of our planet. This remote part of the world faces unprecedented environmental …

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Onions, embroidery and other historical lessons could help you sleep

John Collier / Wikimedia Commons Sasha Handley, University of Manchester Most developed societies in the West are currently plagued by endemic sleep loss, falling well short of the eight hours recommended by the World Health Organisation. In particular, many children and young people are currently suffering from sleeping problems. A recent BBC documentary went so far as to label this …

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How explainable artificial intelligence can help humans innovate

Understanding how artificial intelligence algorithms solve problems like the Rubik’s Cube makes AI more useful. Roland Frisch via Wikimedia Commons, CC BY-SA Forest Agostinelli, University of South Carolina The field of artificial intelligence (AI) has created computers that can drive cars, synthesize chemical compounds, fold proteins and detect high-energy particles at a superhuman level. However, these AI algorithms cannot explain …

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Galaxies eject gas when they merge, preventing new stars forming – new research

Elliptical galaxies are filled with extremely old stars. Igor Chekalin/Shutterstock.com Annagrazia Puglisi, Durham University Most stars in the universe today are found in massive galaxies called ellipticals, named for their stretched-out-circle shape. Unlike our own galaxy, which is a spiral with arms extending out from the centre, the edges of elliptical galaxies are smooth. At first glance, these galaxies might …

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How mapping the weather 12,000 years ago can help predict future climate change

As the jet stream moves northwards, the UK can expect more storms and flooding in the winter. James McDowall/Shutterstock Brice Rea, University of Aberdeen The end of the last ice age, around 12,000 years ago, was characterised by a final cold phase called the Younger Dryas. Scandinavia was still mostly covered in ice, and across Europe the mountains had many …

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Are sleep trackers accurate? Here’s what researchers currently know

Sleep trackers use an algorithm to estimate how much time you spent asleep based on body movements. Andrey_Popov/ Shutterstock Matthew Reid, University of Oxford An estimated one in three people report regular sleep complaints. So it’s hardly surprising people are more concerned than ever about getting enough sleep. This blossoming interest has seen an explosion of sleep trackers which measure …

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