Only Slate Plus members can gift Slate stories. Become a member to share 10 free articles a month. This article was originally published on June 1. It has since been updated to add Kemper’s apology.
July 22, 2026 Ancient fern savannahs may have transformed parts of Europe into a wildfire-prone inferno during the end-Triassic mass extinction. New fossil evidence suggests the ferns repeatedly ...
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