Is a sense of humor a byproduct, an accident, or was it installed on purpose? For better health? There definitely seems to be a purpose.
When I was in charge of the Emergency Room at Los Angeles County Hospital, I saw many instances of near-death trauma, yet there was little complaint about pain.
Imagine the New York Public Library cutting every manual in half daily, or more often, and sending every month entire halves to a library in London.
An anthropologist writes that the evolution of bipedal-walking primates was primarily caused by the shifting of select bones and muscles in the pelvis.
Fans of H. G. Wells are probably familiar with his 1904 short story, “The Country of the Blind.”