title: 500 years ago, 50 years ago... Time of discoveries and foundations.
authors.forename: Bernal
authors.initials: B
authors.lastname: Morera
mesh_terms: D003364:Costa Rica; D004247:DNA / Q000266:history*; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007197:Indians, Central American / Q000266:history*; D009690:Nucleic Acid Conformation; D011157:Population Dynamics
chemical_list: D004247:DNA