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What a 95% Effective Vaccine Actually Means

Curiosity Weekly
Curiosity Weekly
Episode • Mar 11, 2021 • 13m

Award-winning journalist Tim Harford explains what it means when you hear that a COVID vaccine is 95% effective. Then, learn about Sentinel Island, home to the last uncontacted people on Earth; and what we can learn about our solar system’s theoretical “Planet Nine” from the newly discovered planet HD 106906 b.

Additional resources from Tim Harford:

North Sentinel Island Is Home to the Last Uncontacted People on Earth by Reuben Westmaas

Scientists discovered a solar system with its own version of the theoretical "Planet Nine" by Grant Currin

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Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/what-a-95-effective-vaccine-actually-means


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