This day in science – December x x x x x x x x x x x x x 2013: China’s Chang’e 3 lands on the moon 1546: Tycho Brahe born 1973: Homosexuality removed from the DSM II Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)MoreClick to share on Pocket (Opens in new window)