# Atomic-Scale Protein Filters

An episode of [Asimov Press](https://invisiblenetwork.ai/podcast/1772484351), 15 Oct 2025, 12 min.

Audio: https://anchor.fm/s/fbe02dc8/podcast/play/109459103/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-9-9%2F25f7d509-164a-8349-8ad1-60666366f200.mp3

How aquaporin and potassium channels filter hundreds of millions of water molecules or ions each second, by positioning the correct amino acid in the perfect place. By Niko McCarty. Read every essay from Asimov Press by visiting press.asimov.com

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