Episode 1. Mars Perseverance and how Covid-19 vaccines work. from Popcorn Fun

Episode 1. Mars Perseverance and how Covid-19 vaccines work.

12 minutes Posted Feb 23, 2021 at 1:49 am.

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An explanation about how the mars rover Perseverance works, what it’s for and how they landed it and also a small explanation about how COVID vaccines work.

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