If you’ve ever made kombucha, you will be familiar with the term SCOBY—a symbiotic culture of bacteria and yeast. It’s impossible to miss—it’s the floating biofilm on top of your delicious drink. If you’ve ever made kombucha, you will be familiar with the term SCOBY—a symbiotic culture of bacteria and yeast. It’s impossible to miss—it’s the floating biofilm on top of your delicious drink. Cell & Microbiology Biotechnology Phys.org – latest science and technology news stories