Colin Dwyer

Carles Puigdemont aims to return to office as president of Catalonia — despite the fact it's unlikely he'll actually return there in person. He's currently living in Belgium, facing immediate arrest if he goes back home.

For a few fleeting hours Sunday, people perched in the arid heights of northwest Algeria caught sight of something rarely seen: the Sahara Desert, shrouded in white. Residents of Ain Sefra, a small town surrounded by the Atlas Mountains of Northern Africa, walked outside to find a dusting of snow underfoot — and more than a foot of it crowding the town's outer boundaries.

Pfizer has announced plans to end its research efforts to discover new drugs for Alzheimer's and Parkinson's diseases. The pharmaceutical giant explained its decision, which will entail roughly 300 layoffs, as a move to better position itself "to bring new therapies to patients who need them."

For those who have been in the grips of the winter weather buffeting the Northeastern U.S. and Nova Scotia, suffering the throes of bitter winds and whipping snow, there might be some solace in knowing that somewhere in the world, warmth still exists.

In fact, so much warmth exists, it is literally melting a major roadway in Australia.

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