'Micro snails' we scraped from sidewalk cracks help unlock details of ancient earth's biological evolution
- Written by Matthew Brown, Assistant Professor of Biological Sciences, Mississippi State University

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.
Asbiologists, we know this firsthand. A meetup for...