Polar bears' fur is not white. What makes their coats appear white is a result of science, allowing them to blend into the ...

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The North Pole has been a subject of fascination for centuries, and early maps of the Arctic provide a glimpse into the mysterious beliefs and imaginations of explorers from the 16th century. One of ...

Looking at a polar bear, you'd probably assume its fur is white, but you'd be wrong, as it's really just an interesting trick ...