I Tested a Petri Dish With Agar: My Hands-On Guide to Reliable Microbial Growth
When I first think about a Petri dish with agar, I picture one of the simplest yet most powerful tools in microbiology. It may look like a plain shallow dish filled with a gel-like substance, but it plays a vital role in helping scientists observe, culture, and study microscopic life. Whether used in classrooms, laboratories,…
