(Encyclopedia) alchemyalchemyălˈkəmē [key], ancient art of obscure origin that sought to transform base metals (e.g., lead) into silver and gold; forerunner of the science of chemistry. Some scholars…
(Encyclopedia) TheseusTheseusthēˈsy&oomacr;s, –sēəs [key], in Greek mythology, hero of Athens; son of either King Aegeus or Poseidon. Before Aegeus left Troezen he placed his sword and sandals…
Nancy Drew: The Complete SeriesSeventy years of mysteries for the girl detective by Holly Hartman Send this Page to a Friend! 1. The Secret of the Old Clock (1930) 2. The…
Profiles of female trailblazers in technology by Jennie Wood Ada Lovelace, the First Computer Programmer Women in Technology Ada Lovelace Grace Hopper Hedy Lamarr Jean Sammet Roberta…
Albert Einstein (1879–1955)AIP Niels Bohr LibraryVladimir Lenin (1870–1924)Novosti PhotosWoodrow Wilson(1856–1924)The Library of Congress Picture Collection1910Boy Scouts of America incorporated.…
These books were chosen by a committee of librarians, educators, and other professionals for the Association for Library Service to Children. Younger Readers…
(Encyclopedia) Homo erectusHomo erectushōˈmō ērĕkˈtəs [key], extinct hominin living between 1.6 million and 250,000 years ago, possibly as late as c.110,000 years ago. Homo erectus is thought to have…
(Encyclopedia) shamanshamanshäˈmən, shāˈ–, shăˈ– [key], religious practitioner in various, generally small-scale societies who is believed to be able to diagnose, cure, and sometimes cause illness…
(Encyclopedia) Peary, Robert EdwinPeary, Robert Edwinpērˈē [key], 1856–1920, American arctic explorer, b. Cresson, Pa. In 1881 he entered the U.S. navy as a civil engineer and for several years…
(Encyclopedia) Vikings, Scandinavian warriors who raided the coasts of Europe and the British Isles from the 9th cent. to the 11th cent. In their language, the word “viking” originally meant a…
