Daniel and Kelly talk about the development of the polio vaccine.

<p>Daniel and Kelly talk about the development of the polio vaccine.</p>

Scientists Daniel and Kelly cannot stop talking about our amazing, wonderful, weird Universe! Each episode is a fun, easy-to-understand, and in-depth explanation of topics in science, from particles to black holes to moon colonies to ecosystems to parasites and everything else in the Universe!

<p>Scientists Daniel and Kelly cannot stop talking about our amazing, wonderful, weird Universe! Each episode is a fun, easy-to-understand, and in-depth explanation of topics in science, from particles to black holes to moon colonies to ecosystems to parasites and everything else in the Universe!</p>

Daniel and Kelly’s Extraordinary Universe

How was the polio vaccine developed?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/637fd45e-423e-472b-90c6-b383015953e1/transcript

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