Some ancient marine organisms produced mysterious magnetic particles of unusually large size, which can now be found as fossils in marine sediments. An international team has succeeded in mapping the ...
Since its first documented use by the Chinese centuries ago, the magnetic compass has guided countless sailors safely across the seas. Though the compass allowed for the advent of modern navigation, ...
Every year, great white sharks travel over 12,000 miles from South Africa to Australia, charting a nearly perfect straight line across the ocean. And every year, they turn around and travel back.
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