There's a line in here about how it seems eccentric to put Gibbons in high-helium rooms and have them sing... and I'm right there with them. YES. It is eccentric. It was a really unique way to determine how our close relatives can control voice projection. And by unique, I mean eccentric.
http://www.reuters.com/article/2012/08/23/us-gibbons-opera-idUSBRE87M04620120823?feedType=RSS&feedName=oddlyEnoughNews&rpc=69
