The Human Brain Evolved When Carbon Dioxide Was Lower - The Atlantic - 0 views
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Kris Karnauskas, a professor of ocean sciences at the University of Colorado, has started walking around campus with a pocket-size carbon-dioxide detector. He’s not doing it to measure the amount of carbon pollution in the atmosphere. He’s interested in the amount of CO₂ in each room.
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The indoor concentration of carbon dioxide concerns him—and not only for the usual reason. Karnauskas is worried that indoor CO₂ levels are getting so high that they are starting to impair human cognition.
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Carbon dioxide, the same odorless and invisible gas that causes global warming, may be making us dumber.
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