Inge Lehmann and Earth’s deepest Secret
Apr 03, 2026
Science writer Hanne Strager explores how the trailblazing Danish seismologist Inge Lehmann overcame self-doubt to discover that Earth has a solid inner core, overturning the long-held belief that it was liquid
https://www.scientificamerican.com/article/inge-lehmann-and-earths-deepest-secret/
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