(Encyclopedia) Perot, H. Ross (Henry Ross Perot), 1930–2019, American business executive and political leader, b. Texarkana, Tex., as Henry Ray Perot, grad. Annapolis, 1953. In 1957 he resigned his…
(Encyclopedia) actiniumactiniumăktĭnˈēəm [key] [Gr.,=like a ray], radioactive chemical element; symbol Ac; at. no. 89; mass number of most stable isotope 227; m.p. about 1,050℃; b.p. 3,200℃±300℃; sp…
(Encyclopedia) Carver, Raymond, 1938–88, American short-story writer, b. Clatskanie, Oreg. He was raised in the Pacific Northwest, where he often set his sparely written tales of everyday blue-collar…
(Encyclopedia) periodic law, statement of a periodic recurrence of chemical and physical properties of the elements when the elements are arranged in order of increasing atomic number. Such an…
U.S. Senator, Massachusetts Born: Dec. 11, 1943Birthplace: Denver, Colo. Kerry was raised Catholic in a family of privilege, and spent part of his childhood living in Europe. His mother was a…
SKIN LAYERS HAIR FOLLICLE FINGERNAIL TEMPERATURE CONTROL FIND OUT MORE
The skin, along with hair and nails, provides the body with a protective outer covering that shields it, for…
WHERE WERE POLYNESIANS FROM? WHY DID PEOPLE SET SAIL FOR POLYNESIA? HOW DID THE SETTLERS NAVIGATE? MAORISFIND OUT MOREPolynesia is a group of scattered islands in the vast Pacific Ocean. Around…
VERTEBRATE GROUPS REPTILES BIRDS MAMMALS AMPHIBIANS FISH WHAT DOES THE SKELETON DO? HOW MANY LIMBS DO VERTEBRATES HAVE? FIND OUT MOREAll vertebrates have an inner skeleton, including a skull…
