Ever wondered where the salt in the ocean comes from? Or why rivers and streams aren't salty, but oceans are? This week Cheryl learns about what makes the oceans salty, as well as some well known salty lakes as well. The answer may surprise you.
References: 
<a href="https://www.usgs.gov/special-topics/water-science-school/science/why-ocean-salty?qt-science_center_objects=7#qt-science_center_objects" target="_blank">Why is the ocean salty - USGS</a> 
<a href="https://oceanservice.noaa.gov/facts/whysalty.html" target="_blank">Why is the ocean salty - NOAA</a> 
<a href="https://oceanservice.noaa.gov/facts/riversnotsalty.html" target="_blank">Why is the ocean salty, but rivers flowing into it are not? - NOAA</a> 

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Lesson 7 - Why are accidents in small cars worse than in large cars?

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.