(Encyclopedia) valve, device for controlling the flow of fluids (liquids and gases). Valves vary in construction and size depending upon their function. Some are classified according to their method…
(Encyclopedia) PollaiuoloPollaiuolopōl-läy&oomacr;-ôˈlō [key], family of Florentine artists. Jacopo Pollaiuolo was a noted 15th-century goldsmith. His son and pupil Antonio Pollaiuolo, 1429?–1498…
RUNNING GAZELLEGLIDERJET PROPULSIONFLYINGMUSCLESSKELETONFIND OUT MOREAll animals are mobile for at least some part of their lives because they need to find food. Most movement is controlled by…
WOODY TISSUEFORESTSEVERGREEN TREESDECIDUOUS TREESFIND OUT MOREThese tall, seed-producing plants live for many years and do not die in winter. Trees have a single woody stem, called a trunk,…
(Encyclopedia) ChişinăuChişinăukēˌshənouˈ [key], formerly KishinevChişinăukĭshˈənĕfˌ [key], city (1996 est. pop. 735,229), capital of Moldova, on the Byk River, a tributary of the Dniester. Major…
(Encyclopedia)
CE5
A. Internal anatomy of a single animal in a Pedicellina colony B. Part of a colony of Pedicellina, representative of the phylum Entoprocta
EntoproctaEntoproctaĕnˌtəprŏkˈtə [key…
(Encyclopedia) Frye, NorthropFrye, Northropnôrˈthrəp [key], 1912–91, Canadian literary critic, b. Quebec. In 1936 he was ordained as a minister in the United Church of Canada. In 1948 he was…
(Encyclopedia) Montagu, Ashley (Montague Francis Ashley Montagu)Montagu, Ashleyăshˈlē mäntˈəgyü [key], 1905–99, British-American anthropologist, b. London as Israel Ehrenberg, Ph.D. Columbia Univ.,…
(Encyclopedia) Weidenreich, FranzWeidenreich, Franzvīˈdĕnrīkh [key], 1873–1948, German anatomist and physical anthropologist. He was educated at the universities of Munich, Kiel, Berlin, and…
Leonardo Da Vinci (1452–1519) Italian Renaissance artist who was most famous as a painter but also excelled at drawing (particularly the human anatomy),…