Earth.com·4 min read·medium
Scientists finally explain the strange staircases on hillsides
✦AI Summary
Researchers from CU Boulder have used computer simulations to prove that grazing animals like cows are responsible for the regular, staircase-like patterns known as terracettes on hillsides. The study suggests that animals create these patterns by balancing energy expenditure against the reward of finding fresh grass.
Steep grassy hillsides in many parts of the world are striped with narrow, level steps, known as terracettes. They have puzzled observers for well over a century.
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