26:06Learning
From the PhD Lab: How do biofilms help keep bacteria alive? - with Josh Horton
The Royal Institution
On TALK2US Afghanistan: Callers from Kabul, Europe and the United States share Eid al-Fitr stories with Nargis Zalmai from VOA's Afghanistan Service and Avi Arditti from VOA Learning English.
Published 2013-08-17 · Watch on YouTube ↗
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