Agreed, and they aren't isolated in terms of seminal studies that probably won't be replicated. No ethics board is going to allow us to strap down a seal and pu

Agreed, and they aren't isolated in terms of seminal studies that probably won't be replicated. No ethics board is going to allow us to strap down a seal and put it's head underwater, but that's how we learned a lot about mammalian diving physiology.