26:06Learning
From the PhD Lab: How do biofilms help keep bacteria alive? - with Josh Horton
The Royal Institution
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/algebra-home/alg-vectors/alg-combined-vector-operations/v/combined-vector-operations-example Combined vector operations example
Published 2016-01-13 · Watch on YouTube ↗
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