'Rare' springtime blizzard wallops parts of Canada

A springtime blizzard walloped Canada's western Prairies region and parts of Ontario province this week, closing roads, airports and schools, and leaving a dump of snow to shovel.

Looking back on climate extremes in 2021

In China, the year 2021 was marked by a series of highly unusual weather events, including record cold conditions in January, freak dust storms in spring and severe flooding in Zhengzhou in July.

Phase transitions in the early universe and their signals

Phase transitions, such as the boiling of water or the melting of a metal, are commonplace but fascinating phenomena that spur surprises decades after decades. They often occur as the temperature of a substance is changed, ...

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