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Flattened Fluids Help Scientists Understand Oceans and Atmospheres

Turbulence, the splintering of smooth streams of fluid into chaotic vortices, doesn’t just make for bumpy plane rides. It also throws a wrench into the very mathematics used to describe atmospheres, oceans and plumbing. Turbulence is the reason why the Navier-Stokes equations—the laws that govern fluid flow—are so famously hard ...

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Do Thundershirts Really Calm Dogs During Fireworks?

The dogs will lose their minds. They always do. Every Fourth of July in America, as children stay up past their bedtime to watch colors explode in the sky and adults sit on the back of pickup trucks drinking beer and marveling at a pyrotechnic technology 12 centuries old, pets ...

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Marine mammals most at risk from increased Arctic ship traffic

In August 2016, the first large cruise ship traveled through the Northwest Passage, the northern waterway linking the Atlantic and Pacific oceans. The following year, the first ship without an icebreaker plied the Northern Sea Route, a path along Russia’s Arctic coast that was, until recently, impassable by unescorted commercial ...

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Lemurs can smell weakness in each other

Some people watch the competition carefully for the slightest signs of weakness. Lemurs, on the other hand, just give them a sniff. These primates from Madagascar can tell that a fellow lemur is weaker just by the natural scents they leave behind, finds a study on ring-tailed lemurs led by ...

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Air pollution contributes significantly to diabetes globally

New research links outdoor air pollution — even at levels deemed safe — to an increased risk of diabetes globally, according to a study from Washington University School of Medicine in St. Louis and the Veterans Affairs (VA) St. Louis Health Care System. The findings raise the possibility that reducing ...

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The Physics of a Spinning Spacecraft in *The Expanse*

The Expanse should just change their post credits for each episode to include a list of homework questions. Seriously—there are so many great things to explore in this hard science fiction show. In a recent episode, one of the large spaceships (the Navoo) rotates in order to create artificial gravity ...

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