26:06Learning
From the PhD Lab: How do biofilms help keep bacteria alive? - with Josh Horton
The Royal Institution
Anna wants to know about the weather in Washington, D.C. She asks her phone. The phone tells her about the weather - but is the phone right? Originally published at - http://learningenglish.voanews.com/a/3345783.html
Published 2016-05-25 · Watch on YouTube ↗
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