[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 als… - James Nestor

If you were to split a seashell in half and look at it, that's what's happening in your nose. ...[A]ll of this ...evolved for a reason... [A]ir that comes in through the nose is slowed down... filtered... humidified and it's conditioned, so by the time it gets to your lungs, your lungs can absorb that oxygen so much easier.

We're born of the ocean. ...At the fifth week of a fetus's development, its heart has two chambers, a characteristic shared by fish.

The sperm whale's brain is about 6 times the size of ours... They've had it for 15 million year longer... We've had our current size brain around 200,000 years.