"Truebridge just dove thirty stories... all on one lungfull of air... The pressure... is more than ten times that at the surface, strong enough to crush a Coke can. At thirty feet. the lungs collapse to hald their normal size; at three hundred feet they shrink to the size of two baseballs. ...The dives don't look forced... as if they all really belong down there. As if we all do."

“f we're able to understand just the rudiments of this communication, we may be able to save them. ...70% of the population is gone, and it's declining very quickly.”

“reathing research has been taking place... in the muddy digs of ancient burial sites... dental offices, and... mental hospitals.”

“I'd just recovered from pneumonia, which I'd also had the year before and the year before that. I was... wheezing, working, and eating... in a rut—physically, mentally”

“I had been talking to the chief of rhinology research at Stanford... He had warned me how bad was, but no one knew how quickly that damage came on. ...e knew that after years, it can change the structure of your face. It's so common in kids that it is has a term called adenoid face... because they've been mouth breathing so long... the musculature and the has changed. ...It creates a longer face... and that also makes these people much more apt to snoring and sleep apnea.”

“Back in the 60s... John Lilly had a lab... dedicated to solving the dolphin communication problem...”

“A group of scientists, acoustic engineers and free divers have... the goal of trying to crack the sperm whale communication code in the next 2 years. ...We're going to use and AI algorithms... We're already doing this with mice... bats...”