Maps don’t show Greenland’s true size. Here’s how big it actually is.

The world's largest island has its own system of fjords, lakes and black-sand beaches. What to know about the size of the ...
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20 surprising clues Pangea left behind showing how continents once fused

Pangea may have vanished 200 million years ago, but it left a trail of clues in rocks, fossils, and even magnetic fields that ...