Over course of almost 30 years, a father-son duo created a vast array of sea creatures out of glass. Their purpose wasn't art, though they certainly are beautiful, but rather to help scientists on land get a look at what these undersea creatures are like.
Animals when judged on a scale of human behaviors often don't do very well. But when you measure their intelligence and cognition against skills they are supposed to have, some do extraordinarily well.
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