Summary by TwinMind · 6m 15s
Summary by TwinMind · 6m 15s
Summary by TwinMind · 6m 15s
Which is better: Soap or hand sanitizer? - Alex Rosenthal and Pall Thordarson
Which is better: Soap or hand sanitizer? - Alex Rosenthal and Pall Thordarson
Which is better: Soap or hand sanitizer? - Alex Rosenthal and Pall Thordarson
TED-Ed
TED-Ed
TED-Ed
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