Theodosius Dobzhansky and Ashley Montagu wrote in 1947, “Race differences arise chiefly because of the differential action of natural selection on geographically separate populations.”
Penguins have no external genitalia. Even as adults, the males and females can be difficult to tell apart.
Do you self-censor? Would you tell your coworkers what you think about immigration, gender issues, or evolution?
The Google diversity memo story is rich in ironies.