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To understand the world's changing climate, scientists often look to tree cores and ice samples. For a record of ocean pollutants, researchers are beginning to turn to whale ear wax. Since whales are unable to clean their...

To understand climate, scientists look to tree cores and ice samples. For a record of ocean pollutants, researchers are beginning to turn to whale ear wax. Since whales are unable to clean their ear canals, the wax builds...

Humpback whale image from Shutterstock Whales are some of the most extreme creatures on Earth. The 115 foot, 150 foot ton Blue Whale, for instance, is the largest animal that ever lived. These magnificent creatures are social...