Watches are everywhere on the heath. Look up, look down, look inside; biology runs on time.
An insidious kind of brainwashing goes on without your awareness, day and night. And you couldn’t live without it.
Can you think of an un-designed process that employs external machinery to maintain the state of another machine?
Ever notice that some older people sleep less and sometimes more fitfully than younger people? Sure you did.
The one theory Kuhn exempted from his analysis was Darwinian evolution.