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Tag Archives: Shows

Humans still evolving, large-scale study of genetic data shows

In a study analyzing the genomes of 210,000 people in the United States and Britain, researchers at Columbia University find that the genetic variants linked to Alzheimer’s disease and heavy smoking are less frequent in people with longer lifespans, suggesting that natural selection is weeding out these unfavorable variants in ...

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Fossil site shows impact of early Jurassic’s low oxygen oceans

Using a combination of fossils and chemical markers, scientists have tracked how a period of globally low ocean-oxygen turned an Early Jurassic marine ecosystem into a stressed community inhabited by only a few species. The research was led by Rowan Martindale, an assistant professor at The University of Texas at ...

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Whole Foods Deal Shows Amazon’s Prodigious Tolerance for Risk

Joke all you want about drone-delivered kale and arugula. Amazon’s $ 13.4 billion bet to take on the $ 800 billion grocery business in the United States by acquiring Whole Foods fits perfectly into the retailer’s business model. Unlike almost any other chief executive, Amazon’s founder, Jeff Bezos, has built ...

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Obesity is top cause of preventable life-years lost, study shows

A team of researchers from Cleveland Clinic and New York University School of Medicine have found that obesity resulted in as much as 47 percent more life-years lost than tobacco, and tobacco caused similar life-years lost as high blood pressure. Preliminary work presented by Cleveland Clinic at the 2017 Society ...

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Amazon River no younger than 9 million years, new study shows

Researchers from the University of Amsterdam (UvA) and the University of Brasilia (Brazil) have determined the age of the formation of the Amazon River at 9.4 to 9 million years ago (Ma) with data that convincingly refutes substantial younger estimates. Their results are published as early view in the journal ...

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