Others include anti-slavery activist Frederick Douglass, birth control activist Margaret Sanger and Special Olympics founder Eunice Shriver.

VOA: special.2010.04.16

They say it's terrible because they'll have a kid and the kid'll grow up freaky and then the experimenter--it's an interview situation--says, "Well, no. Remember they're both using a lot of birth control."

他们说太糟糕了，他们会生小孩的,小孩长大会变怪胎的,然后向他们提问的实验者说，“不会，他们都做了避孕措施”

耶鲁公开课 - 心理学导论课程节选

Drugs like birth control pills contain a version of this chemical.

VOA: special.2010.03.30

In May 1960,the U.S.Food and Drug Administration approved the world's first birth control pill.

VOA: standard.2010.05.12