These insects thirst for tears

Scientists are curious about ‘tear-sucking,’ an unusual and little-studied bug behavior

By Janet Raloff, 17:53 PM May 1, 2014

Much of early science consisted of people observing the world around them — and then trying to puzzle out why things happen the way they do. That approach, common thousands of years ago, still goes on in some areas of biology today. And here’s one example: Biologists have lately begun noticing — and wondering why — some insects have a thirst for the tears of big animals, including people.

Carlos de la Rosa is an aquatic ecologist and director of the La Selva Biological Station in Costa Rica, w...

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