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Iran among 'world's most extreme subsidence hotspots' with some areas sinking up to 1 foot per year, study findsThe extraction of water from aquifers in Iran is causing an area the size of Maryland to sink, exposing an estimated 650,000 people to the risks of subsidence and freshwater depletion.
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Gigantic dinosaur with 'claws like hedge trimmers' found with croc leg still in its jaws in ArgentinaSpeedy megaraptor Joaquinraptor casali had big arms and claws like hedge trimmers that would have made T. rex's forelimbs look puny.
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'Rare' ancestor reveals how huge flightless birds made it to faraway landsThe mystery of how related flightless birds ended up so far apart on different continents may have been solved.
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Scientists are finally learning what's inside mysterious 'halo' barrels submerged off Los AngelesAt first thought to hold the pesticide DDT, some mysterious barrels dumped in the deep sea near Los Angeles actually contain caustic alkaline waste that stops most life from living nearby.
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Return of wolves to Yellowstone has led to a surge in aspen trees unseen for 80 yearsGray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young trees, and it is finally paying off for quaking aspen.
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A peatland in the Amazon stopped absorbing carbon. What does it mean?Peatlands cover just a fraction of Earth's surface, but store huge amounts of carbon. In the Peruvian Amazon, one of these swamps has switched to carbon neutral.
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Salmon-hat wearing orcas also give each other massages with kelp, scientists discoverOrcas have been spotted giving each other rubdowns with kelp tools, rubbing pieces of the seaweed between their bodies.
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Groundwater in the Colorado River basin won't run out — but eventually we won’t be able to get at it, scientists warnThe Colorado River basin has lost a Lake Mead’s worth of water in the last 20 years — and scientists say we’re passing a "critical point" where pumping groundwater will become too expensive.
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Meet 'Dragon prince' — the newly discovered T. rex relative that roamed Mongolia 86 million years agoA new species of dinosaur that was probably a princely ancestor of T. rex, the king of the dinosaurs, has been identified from fossils excavated in Mongolia.
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Capuchins have started abducting newborn howler monkeys in bizarre, deadly fadYoung male capuchins have developed a strange trend of acquiring baby howler monkeys. It doesn't end well for the babies.
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'This should not be published': Scientists cast doubt on study claiming trees 'talk' before solar eclipsesClaims that spruce trees synchronize their responses to a solar eclipse were widely reported recently — but many researchers are sceptical of the results.
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In rare evolutionary event, weird platypus cousin evolved from living in water to living on landWe may have gotten the evolutionary origins of the echidna backward, as new research suggests its ancestors probably lived in the water, not on land.
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