The men and women on staff at This American Life decide to get their testosterone levels tested, to see who has the most and least, and to see if personality traits actually do match up with hormone levels. It turns out to be an exercise that in retrospect, we might not recommend to other close-knit groups of friends or co-workers.

In 1973, the American Psychiatric Association (APA) declared that homosexuality was not a disease simply by changing the 81-word definition of sexual deviance in its own reference manual. It was a change that attracted a lot of attention at the time, but the story of what led up to that change is one that we hear today, from reporter Alix Spiegel.