geography
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Underwater Robot Stealthily Swims With a Propulsion System You Can’t See
Sound travels faster and farther underwater because it’s denser than air, and that can make it harder for researchers trying to study marine life who get an early heads up to go into hiding. But a new underwater robot could move stealthily through the waves using a propulsion system that doesn’t rely on a propeller…
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Sweden’s Tallest Peak Has Lost Its Title, Thanks To Climate Change
Sweden may have to follow Iceland’s lead in holding a funeral for the dying ice atop Kebnekaise, the nation’s former tallest peak. Scientists have confirmed that the title of Sweden’s highest point has changed hands, after two blistering summers eroded the glacier capping the mightiest mountain in the country.
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How Far Can You Get Away From Technology?
Everyone, from time to time – or at every single moment of every single day – wishes they could somehow escape technology. It isn’t ultimately that fun to be inundated at all hours with the collapse of society, the weekend activities of people you barely knew 10 years ago, bad memes, worse TV, and so…
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Scientists Think They Know Why The Caspian Sea Is Shrinking
The Caspian Sea is about as strange as a body of water gets. Its surface still sits 27.5m below sea level, and water doesn’t flow out of it — it’s isolated from the oceans, and relies on a series of Asian rivers to maintain its levels.