Podcast: Making a Vaccine Sans Virus, Listening to Coughing Scallops, and the Roll of the Whale

How do you make a virus-free flu vaccine? What can scientists learn from the cough of a scallop? And how does a blue whale spin upside down to sneak up on its prey? Science's Meghna Sachdev chats about these stories and more with Science's Edward Hurme.

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