In the 20 years since the idea was first proposed, scientists have improved their understanding of an ice-covered "snowball Earth." Researchers Linda Sohl recently spoke about how the idea has evolved along with the technology that studies it.
In the 20 years since the idea was first proposed, scientists have improved their understanding of an ice-covered "snowball Earth." Researchers Linda Sohl recently spoke about how the idea has evolved along with the technology that studies it.
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