In this episode, our guest, award-winning science journalist Carl Zimmer, describes the hidden dangers in the air we breathe. He begins with the concept of the aerobiome–the collection of living things from ground level to the stratosphere. While that includes eagles and dragonflies, the most insidious inhabitants are those we can’t see. Often, we are totally unaware of their presence. Yet bacteria like the one that causes tuberculosis or viruses like those that cause COVID or flu have the power to make us ill even if we don’t know they are there.
You have surely heard of the microbiome, but perhaps you thought it only applied to the microscopic beings living in our digestive tract. Lately, scientists have learned that humans have a microbiome for every different part of our bodies, including our eyes, ears, mouth and lungs. The air around us is also full of microorganisms. And even though we can’t see them and we may not be able to smell or taste them, they can still have a big impact on our health. What are the hidden dangers in the air we breathe?
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