I say it's close enough to P, dammit!

[Charles Albert]

researchers who study the relationship between cryptochrome and navigation
do not yet know exactly how it works—and some of their colleagues question
whether it works at all. We do know, though, that the earth’s magnetic
field is almost certainly crucial to the navigational aptitude of countless
species—so crucial that evolution may well have produced many different
mechanisms for sensing the field’s polarity, intensity, and inclination.
Taken together, those mechanisms would constitute the beginnings of a
solution to the problem of true navigation.

https://www.newyorker.com/magazine/2021/04/05/why-animals-dont-get-lost


love,


cfa