Heavy snow predicted for Northeast as Midwest still struggles with Thanksgiving weather snarls

Black ice, snow showers and fog pestered post-holiday travelers in the Midwest on Monday while the Northeast geared up for ...
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Whirls, Curls, and Little Swirls: The Science Behind Von Karman Vortices

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 ...