In Project Hail Mary, microbes start “eating” the sun—dimming it and triggering a global freeze. But is that actually how ice ages happen? Carolyn Gramling, Earth & Climate Writer at Science News, explains.
* A subtitle in this video contains an error. It should read “astrophage”.
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Read the full article: www.sciencenews.org/article/the-science-of-project-hail-mary
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