Walnut shells are found to create 3-D puzzles with tissues that even toothy squirrels can’t easily crack.
Can we explain human technology merely by supernova explosions and blind chance? In rare earth elements, we find hints of a better explanation.
The “selectivity filters” in membrane channels of living cells are able to discriminate between very similar molecules or atoms using complex mechanisms.
As Turner says, homeostasis is an exceedingly strange idea. Yet without homeostasis there is no life.