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Moon Smasher/Secrets in the Salt/Bird Brains/Lonnie Thompson
Follow a NASA satellite looking for water on the moon, see what ancient salt deposits reveal about life 250 million years ago, learn how bird brains are remarkably similar to our own, and meet a climatologist who digs for clues to climate change in the world's highest glaciers.
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Other episodes for this season
![Diamond Factory / Anthrax Investigation / Auto-Tune / Luis Von Ahn](https://image.tmdb.org/t/p/w300/dcgbEl9uCsXWywG9M1kZi70xnY0.jpg)
![Hunt for Alien Earths / Art Authentication / Maydianne Andrade / Autism Genes](https://image.tmdb.org/t/p/w300/dcgbEl9uCsXWywG9M1kZi70xnY0.jpg)
![Marathon Mouse/Dinosaur Plague/Franklin Chang-Díaz/Space Storms](https://image.tmdb.org/t/p/w300/dcgbEl9uCsXWywG9M1kZi70xnY0.jpg)
![Picky Eaters/Capturing Carbon/Sea Lions and Walruses/Sangeeta Bhatia](https://image.tmdb.org/t/p/w300/dcgbEl9uCsXWywG9M1kZi70xnY0.jpg)
![Moon Smasher/Secrets in the Salt/Bird Brains/Lonnie Thompson](https://image.tmdb.org/t/p/w300/dcgbEl9uCsXWywG9M1kZi70xnY0.jpg)
![Public Genomes/Algae Fuel/Arctic Ocean Seafloor/Yoky Matsuoka](https://image.tmdb.org/t/p/w300/dcgbEl9uCsXWywG9M1kZi70xnY0.jpg)
![Saving Hubble Update/Gangster Birds/Alfredo Quiñones-Hinojosa/How Memory Works](https://image.tmdb.org/t/p/w300/dcgbEl9uCsXWywG9M1kZi70xnY0.jpg)
![Earthquakes in the Midwest/Sleep/Sang-Mook Lee/First Primates](https://image.tmdb.org/t/p/w300/dcgbEl9uCsXWywG9M1kZi70xnY0.jpg)