When we saw this, we immediately checked in the photolight box to find the source of the problem. The data is exciting today. There is lots to see and analyze. We are actually running two separate experiments right now. It is okay to do two experiments at once as long as you are certain you have only one independent variable in each one.
Independent variable is constant darkness.
We are about ready to wrap up this first set of experiments. Let's see what we have learned from the data.