(Encyclopedia) bow and arrow, weapon consisting of two parts; the bow is made of a strip of flexible material, such as wood, with a cord linking the two ends of the strip to form a tension from which…
(Encyclopedia) SulawesiSulawesis&oomacr;ˌläwāˈsē [key], formerly CelebesSulawesisĕlˈəbēz [key], island (1990 pop. 12,511,163), c.73,000 sq mi (189,070 sq km), largest island in E Indonesia, E of…
(Encyclopedia)
CE5
A. Upper and lower teeth of an adult
B. Cross section of a molar
teeth, hard, calcified structures embedded in the bone of the jaws of vertebrates that perform the primary…
(Encyclopedia) deafness, partial or total lack of hearing. It may be present at birth (congenital) or may be acquired at any age thereafter. A person who cannot detect sound at an amplitude of 20…
(Encyclopedia) breast cancer, cancer that originates in the breast. Breast cancer is the second leading cause of cancer death in women (following lung cancer). Although the vast majority of the cases…
(Encyclopedia) culture, in anthropology, the integrated system of socially acquired values, beliefs, and rules of conduct which delimit the range of accepted behaviors in any given society. Cultural…
Gyri and SulciAnatomy and PhysiologyThe Central and Peripheral Nervous SystemsYou've Got Some Nerve!Gyri and SulciThe Control CenterSensory and Motor ControlThalamus: The Switching StationSpinal…
Triassic habitats (250–200 million years ago)Jurassic habitats (200–145 mya)Cretaceous habitats (145–65 mya)Not all the dinosaurs lived at the same time. Nor did they all live in the same part of…
Record of the Year“Bridge Over Troubled Water,” Simon and GarfunkelAlbum of the YearBridge Over Troubled Water, Simon and Garfunkel (Columbia)Song of the Year“Bridge Over Troubled Water,” Paul…
