26:06Learning
From the PhD Lab: How do biofilms help keep bacteria alive? - with Josh Horton
The Royal Institution
Originally published at - http://learningenglish.voanews.com/a/3744997.html
Published 2017-03-15 · Watch on YouTube ↗
Availability and playback restrictions are controlled by the original channel.
Allow Google Analytics to measure visits. Your history stays in your browser. Privacy details