Revolutionary find: 19 cannons in river likely sunk in 1779

A warehouse along the Savannah River is holding historical treasures that evidence suggests remained lost for more than 240 years—a cache of 19 cannons that researchers suspect came from British ships scuttled to the river ...

Revealing hidden information in sound waves

By essentially turning down the pitch of sound waves, University of Michigan engineering researchers have devised a way to unlock greater amounts of data from acoustic fields than ever before.

With thick ice gone, Arctic sea ice changes more slowly

The Arctic Ocean's blanket of sea ice has changed since 1958 from predominantly older, thicker ice to mostly younger, thinner ice, according to new research published by NASA scientist Ron Kwok of the Jet Propulsion Laboratory ...

Navigating beneath the Arctic ice

There is a lot of activity beneath the vast, lonely expanses of ice and snow in the Arctic. Climate change has dramatically altered the layer of ice that covers much of the Arctic Ocean. Areas of water that used to be covered ...

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