A disruptive polar vortex is set to usher in three successive waves of Arctic air across the central and eastern United States through mid-December, bringing dangerously low temperatures and the ...

Ready for some serious cold? The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a wrecking ball," said Weather Trader ...

A displaced polar vortex in Canada is set to unleash three waves of Arctic air through mid-December, "delivering the coldest conditions of the season so far," forecasters at AccuWeather said. "The ...

Free surface vortex dynamics in pump sumps play a pivotal role in determining both the hydraulic performance and the operational reliability of pumping systems. The formation of vortical flows at the ...

Forecasts continue to point toward the Arctic polar vortex bringing chilling winds across swathes of the U.S. in the new year ...

A micro-cap stock is a stock with a total market capitalization between $300 million and $2 billion. These stocks are often smaller, less established operations. But these companies have limitless ...

Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note: Meteorologist ...

The investment seeks daily investment results, before fees and expenses, of 300% of the inverse (or opposite) of the daily performance of the S&P 500® Index. The fund, under normal circumstances, ...

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