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The Conversation (EUA)
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'Micro snails' we scraped from sidewalk cracks help unlock details of ancient earth's biological evolution

Publicado em 28 fevereiro 2019
Every step you take, you’re likely walking on a world of unseen and undescribed microbial diversity. And you don’t need to head out into nature to find these usually unnoticed microscopic organisms. As biologists, we know this firsthand. A meetup for coffee several years ago ended with our using makeshift sampling tools – actually a coffee stirrer and a coffee cup lid – to collect some of the black gunk from between the sidewalk’s concrete slabs. In this mundane space on the [...]