What's so special about the "new" COVID-19 vaccines? Why are they different? And what exactly are vaccines, anyway? Learn along with Cheryl a bit about how our immune systems work and why vaccines are an impressive medical tool.
Note: this episode was recorded in July 2021.
Resources from this episode: 
<a href="https://www.youtube.com/watch?v=zBkVCpbNnkU" target="_blank">In a Nutshell Video about Vaccines</a> 

Watch the podcast on <a href="https://www.youtube.com/channel/UChz1tQi9Ez14-lqkzS44KYw">YouTube 
</a>Follow us on <a href="https://facebook.com/ISleptThroughScience">Facebook</a>, <a href="https://instagram.com/ISleptThroughScience">Instagram</a>, &amp; <a href="https://twitter.com/sleptscience">Twitter</a>
Theme Song: 
<a href="https://freemusicarchive.org/music/Latch_Swing/demo_2008/Swing_39">Swing 39 by Latché Swing 
</a>Licensed under an Attribution-Noncommercial-Share Alike 2.0 France License

Lesson 9 - How Does Whistling Work?

Have you ever felt like you slept through science when you were in school, but now wish you could understand the world around you better? Then this podcast is for you! Each week Cheryl asks a science question and Ryan, a science teacher, does his best to answer. From boiling water to shooting stars and everything in between, listen along and learn about the science you encounter every day.