These Unusual Step-Like Structures on Hillsides Baffled Darwin 150 Years Ago—Now Scientists Finally Know Their Origins

1 · Thedebrief · July 11, 2026, 3:54 p.m.
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Summary
This blog discusses the long-standing mystery of unusual step-like structures on hillsides, revealing their origins and scientific explanations that have puzzled researchers for over 150 years, including Charles Darwin.
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