How Antarctica Froze Over
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Thanks to Brilliant for supporting this episode of SciShow. Go to https://Brilliant.org/SciShow to grab a gift subscription to help your loved one spark a lifelong love of learning. Antarctica wasn't always covered in kilometer thick ice sheets, in fact, scientists have spent years figuring out what turned this once lush continent into its current icy state. Hosted by: Olivia Gordon SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
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