A review of new science, in plain language

Proceedings of the National Academy of Sciences  ·  18 September 2026  ·  From issue 39

Unidirectional flow from continuous broken symmetries

In an artificial lymph vessel, wave-like squeezing plus one-way flaps reliably pump fluid in one direction.

Aaron Winn, Justine Parmentier et al.

Integrity screen: passed (3 checks) Checked 20 September 2026. Read the source

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