Snow had an impact on air travel in a number of areas in the U.S., but Norfolk International Airport remained open and operational.

The fluffy new snow is full of air pockets that absorb sound. But that quiet doesn’t last long. The snow starts to collapse gently under its own weight and those air pockets and their sound-muffling ...

THE impressive and all-pervading quietness following a fall of snow is a commonplace experience, though, so far as we are aware, no measurements of the sound absorption of snow have been published.

A film from the Sayano-Shushenski Nature Reserve in Siberia captures the rare moment when snow leopards make loud, almost frightening mating calls. Top 10 Best US Presidents 25 TV Shows Critics ...