Some cultural phenomena bear a striking resemblance to the cells of cell biology, actively preserving themselves in their social environments, finding the nutrients they need and fending off the causes of their dissolution.
There is no reality of consciousness independent of the effects of various vehicles of content on subsequent action (and hence, of course, on memory).
As every scuba diver knows, panic is your worst enemy: when it hits, your mind starts to thrash and you are likely to do something really stupid and self-destructive.
Darwin's idea of natural selection makes people uncomfortable because it reverses the direction of tradition.
Human freedom is not an illusion; it is an objective phenomenon, distinct from all other biological conditions and found in only one species - us.
Words have a genealogy and it's easier to trace the evolution of a single word than the evolution of a language.