How many times was this repeated? How many trials did they have to do before they got this result? How many other objects did they try to see if its something related to the glass?
> How many trials did they have to do before they got this result?
Looks like it picked the side with 3 disks 70% of the time and never picked the side with 1 disk. They tested a ton of different scenarios so the results seems really robust.
"When presented with the 3-discs versus 1-disc choice, the Physarum grew toward the 3 disc regions 70% of the time, while never choosing the 1 disc region alone."
