Climate change is going to reshuffle ocean animals

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Marine species are relocating, generally toward the poles, to find water temperatures that suit them, scientists say. By the end of the century, they predict warmer oceans will result in significant global redistribution of...

Trusty, not rusty, pipelines owe a debt to space

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When a Dutch company working on soil pollution teamed up with ESA to build a better, bacteria-based air filter for space, they also created the foundation for a new way of keeping iron pipelines...

‘Star Wars’ economics: The Empire needs a bailout

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The Galactic Empire, brought to life in the Star Wars movies, was in ruins after the Battle of Endor at the end of Episode VI: Return of the Jedi, a case study shows. The Rebel...

Alpine plants fight for turf as temperatures rise

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Rising temperatures are forcing wild animals and plants to escape the heat by moving into new habitats at higher elevations. For alpine plants, this means that they may soon be facing competition from species that...

Low vitamin D speeds up cognitive decline

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Older adults who don’t get enough vitamin D may experience cognitive decline at a much faster rate than people who have adequate vitamin D, a new study suggests. We obtain vitamin D—known for its importance...

New tests over-diagnose C. diff by up to 50%

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New molecular tests over-diagnose Clostridium difficile, a common but serious infection in hospitalized patients, by up to 50 percent. As a result, researchers say, these patients are likely being prescribed antibiotics they don’t need, raising concerns...

A witness to a wet early Mars

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Vast volumes of water once flooded through this deep chasm on Mars that connects the ‘Grand Canyon’ of the Solar System – Valles Marineris – to the planet’s northern lowlands. The image, taken by ESA’s...

Egyptian blue hides in these mummy portraits

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Dusting off 15 Roman-era Egyptian mummy portraits—mostly untouched for 100 years—has revealed a 2,000-year-old surprise.Researchers discovered that the ancient artists used the pigment Egyptian blue as material for underdrawings and for modulating color—a finding never...
Avocado oil

Do you know what you take home when you buy avocado oil?

In the country’s first extensive study of commercial avocado oil quality and purity, researchers report that at least 82% of test samples were either stale before expiration date or mixed with other oils. “I was...

Old friend or lookalike? How your brain knows

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You see a guy at the grocery store—is he a college classmate or just a lookalike? One tiny spot in the brain holds the answer. Neuroscientists have identified the part of the hippocampus that creates...
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