I recently watched a really good documentary series called Inside Nature's Giants[1], featuring dissections of various large animals. In the giant squid episode

I recently watched a really good documentary series called Inside Nature's Giants[1], featuring dissections of various large animals. In the giant squid episode they have a bit about the donut-shaped brain. I found this version of it on youtube: https://www.youtube.com/watch?v=088bhv3pjq0#t=49m34s https://www.youtube.com/watch?v=088bhv3pjq0#t=49m34s [1] https://en.wikipedia.org/wiki/Inside_Nature's_Giants https://en.wikipedia.org/wiki/Inside_Nature's_Giants