Why do some fish thrive in salt water and others in fresh? And what happens if you, say, drop a saltwater shark into a fresh water swimming pool? Here's the science!Read the transcript.Check out all the Quick and Dirty Tips shows.Subscribe to the newsletter for regular updates.Join the conversation on Facebook and Twitter.Links:https://www.quickanddirtytips.com/education/science/saltwater-fish-fresh-waterhttps://www.quickanddirtytips.com/podcastshttps://www.quickanddirtytips.com/subscribehttps://www.facebook.com/qdteinsteinhttps://twitter.com/qdteinstein