On January 28, 1986, the tenth mission of the space shuttle Challenger ended in tragic disaster. We remember the seven astronauts who lost their lives that day, including Christa McAuliffe, who was chosen by NASA to pioneer its Teacher in Space program.
The DSM once labeled homosexuality a mental disorder. In the 1960s, LGBTQ+ activists Barbara Gittings and Frank Kameny pushed to change that, helping spur its removal from the DSM in 1973.