- RESEARCH HIGHLIGHT
A laboratory ‘roundabout’ helps scientists to determine the types of barrier that can halt an underwater dune’s travels.

Piles of glass beads simulate underwater sediment in an experiment on dune migration and what can stop it. Credit: Karol Bacik, Nathalie Vriend/University of Cambridge
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Nature 599, 183 (2021)
doi: https://doi.org/10.1038/d41586-021-03023-2
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