bubble rings
Great video of cooped up dolphins blowing underwater bubble rings to pass the time. Before we get all out of sorts that this is some sort of compulsive, depressive behavior from being locked up, note that this been observed in the wild as well.
I just can't help but look at that and wish that I still smoked cigarettes. I used to be an epic ring blower. Andrew and I actually knew a kid named Michael Northrope who could blow smoke squares. It was awesome! No joke! We were like 13 and he was 16. But I digress...
One bubble ring to bind them...
Researchers posting on Deep Ocean explain the…