[T]he divers were able to commune with these animals for hours... and get footage that no one else has ever gotten. - James Nestor

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.

<nowiki>[</nowiki>] was able, on command, to make his heart beat 300 times a minute. ...[I]t was so fast, they were looking at the EKG readout, and they said, "He's stopped his heart." Then they looked... a little closer and said "No, it's beating 300 times a minute." ...[T]hen he would snap out of it.

[T]he more you focus in on these clicks, the tinier... they get, [growing] into more complex structures. ...[O]ther ns such as dolphins and orcas also use these. It's this secret language... discrete codes... down to the millisecond.