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The Happy Pod: Why dolphins really do smile

Research shows dolphins deliberately smile at each other during play and copy facial expressions. Also, the college baseball star with a prosthetic leg and communication clothing.

Research shows dolphins deliberately smile during play and can mimic facial expressions.

Also, the college baseball star with a prosthetic leg, the first robotic double lung transplant; and communication clothing.

Presenter: Jannat Jalil.
Music composer: Iona Hampson

(Photo Credit: Federica Vantagio/Elisabetta Palagi/Livio Favaro/ZooMarine/PA)

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27 minutes

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成人快手 World Service

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