Changing ocean currents are driving extreme winter weather

Throughout Earth's oceans runs a conveyor belt of water. Its churning is powered by differences in the water's temperature and saltiness, and weather patterns around the world are regulated by its activity.

Birds' blood functions as heating system in winter

Researchers at Lund University in Sweden have discovered that bird blood produces more heat in winter, when it is colder, than in autumn. The study is published in The FASEB Journal.

Cracks in Arctic sea ice turn low clouds on and off

The prevailing view has been that more leads are associated with more low-level clouds during winter. But University of Utah atmospheric scientists noticed something strange in their study of these leads: when lead occurrence ...

What does climate change have to do with snowstorms?

Bostonians may have grumbled about digging out from almost 2 feet of snow after a historic snowstorm clobbered the Northeast in late January 2022, but it shouldn't have been a surprise. This part of the U.S. has been seeing ...

Where do crows go in winter?

"Partial migration"—where some individuals within a population migrate and some don't—is common among birds and is speculated to be a step on the evolutionary path to complete, long-distance migration, but scientists ...

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