How blind people can "see" using echolocation like bats

We've posted several times about blind people who have learned how to "see" and navigate the world using echolocation like bats, shrews, and whales. In the video above, YouTuber Molly Burke and echolocation educator Brian Bushway, who are both blind, try to teach It's Okay To Be Smart's Dr Joe Hanson, who is sighted, the fundamentals of this extraordinary skill.

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Dolphins imitate with echolocation

Mary Bates, for Wired:

In 2010, researchers at the Dolphin Research Center (DRC) in Grassy Key, Florida, showed dolphins can imitate behaviors without using their eyesight. ... Now, a follow-up study shows not only how Tanner accomplished this task using sound, but also that he used a deliberate, problem-solving approach to imitation. The research was published in the journal Animal Cognition.

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