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Life, Unbounded

There’s Something in the Air: Trans-planetary Microbes

Here come the microbes! (Credit: China Foto Press/Barcroft Medi)

Cover your mouth when you cough! We’ve all learned the hard way that microbial organisms, from bacteria to viruses, can be transported by air. But the extent to which organisms exist in the Earth’s atmosphere is only now becoming clear. There is good evidence that bacteria (or bacterial spores) can help nucleate water condensation, seeding [...]

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