Headline: Bill Deny: Science GuyNow, we all know that air pressure is a function of the atmospheric conditions, it’s a function of that. So, if there’s activity in the ball relative to the rubbing process[…] So the atmospheric conditions as well as the true equilibrium of the football is critical to the measurement. …

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Last Sunday's Cosmos took on the related concepts of extinction and climate change, topics I’ve had on my mind since reviewing The Sixth Extinction and interviewing author Elizabeth Kolbert.

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