Comet Kohoutek, formally designated C/1973 E1, 1973 XII, and 1973f, was first sighted on 7 March 1973 by Czech astronomer Luboš Kohoutek.
Prvi antraciklinski antibiotik, ki so ga odkrili, je bil daunorubicin, ki ga proizvaja bakterija "Streptomyces peucetius", vrsta aktinobakterij.