The pores visible on the underside of this shark's snout are electrical field-sensitive ampullae of Lorenzini. Wikimedia Commons Sharks are having a rough go of it. It’s estimated that humans kill 100 ...
Standing on the bank of a serene lake in Norway, a hiker breathed in the crisp mountain air. As he scanned the shoreline, something caught his attention. He noticed a series of wooden poles plunged ...
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