There are some facts that I find interesting and valuable enough to mention them. But there is not really a main chapter where they belong.
Here, under the environment area you will find some.

It's about the weather, time reckoning, our environment, (geometric) formulas...
But also our social environment.
I therefore think that musical also belongs to it. Or barter, ecology,...

Chief Seattle in 1855 to President Franklin Pierce:
All things are connected like blood links family. What befalls the earth, befalls the sons of the earth. Man does not weave the web of life, he is only one thread in it. Everything he does to the web, he does to himself.

Culture is roughly anything we do and monkeys don’t. (Lord Raglan)