Place about 2 cups of greek yogurt (I use full fat vanilla) in
the middle of the dish, and spread it around evenly with a spatula until it's about 1/4 inch thick.
The best way to remove excess moisture is to place it in
the middle of a dish towel and squeeze.
«Speaker» organisms were added to
the middle of the dish, and «listeners» were placed on the opposite side of each trough.
To do this, tie a piece of string to
the middle of a dish towel.