Have you ever wondered why Pluto isn't a planet anymore? Did Pluto get demoted? Do scientists have it out for the planet? Learn more about the history of what is considered a planet and how it's changed over time. Then decide for yourself: should Pluto be considered a planet?
Resources from this episode: 
<a href="https://www.solarsystemscope.com/" target="_blank">Solar System Scope (model)</a> 
<a href="https://www.amazon.com/How-Killed-Pluto-Why-Coming/dp/0385531109" target="_blank">How I Killed Pluto (book)</a> 
<a href="https://www.youtube.com/watch?v=CzJIWxplAbQ" target="_blank">Is Pluto a Planet (YouTube)</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 6 - Why is the ocean salty?

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.