Blood viscosity is the technical reason why Jack froze in less than 23 minutes, but icefish can survive for 15 years in water of a freezing temperature.
Icefish, aka the family Channichthydiae, survive at 0oC in the Southern Ocean by maintaining blood viscosity at the set point of 3.27 centipoise.
The Brown University biologist is still out there, reassuring the world that unguided “evolutionary mechanisms” comfortably explain the wonders of biology.
It is a difficult question because, setting aside many other problems, the very starting point — the protein-coding gene — is highly complex.
Philosophical questions like who we are and where we came from are surely worth considering. But nothing in these documents will bring students closer to being able to do so in an informed manner.