Jon Chase: Bacteria are a type of microorganism, each made up of just one cell. Some bacteria are harmful and cause disease, and some are useful, like the one hundred trillion bacterial cells that ...
Always make sure to wash your hands before and after you handle soil or your bacteria! While the majority of bacteria from soil are safe, there are some that can cause disease. Washing your hands with ...
Kids, especially, get a kick out of painting with these little things called microbes. Here's how you paint with bacteria. Maria Peñil Cobo: Today, I'm gonna draw a dandelion, and those are my ...