Passage 18When A. Philip Randolph assumed the leadership of theBrotherhood of Sleeping Car Porters, he began a ten-yearbattle to win recognition from ...
Passage 17Australian researchers have discovered electroreceptors(sensory organs designed to respond to electrical fields)clustered at the tip of the ...
Passage 16Traditionally, the first firm to commercialize a newtechnology has benefited from the unique opportunity toshape product definitions, forcin...
Passage 15Most large corporations in the United States wereonce run by individual capitalists who owned enoughstock to dominate the board of directors...
Passage 14A meteor stream is composed of dust particles that have been ejected from a parent comet at a variety of velocities. These particles follow ...
Passage 13Two recent publications offer different assessment of the career of the famous British nurse Florence Nightingale. A book by Anne Summers se...
Passage 12All of the cells in a particular plant start out with thesame complement of genes. How then can these cellsdifferentiate and form structures...
Passage 11At the end of the nineteenth century, a rising interestin Native American customs and an increasing desire tounderstand Native American cult...
Passage 10Many United States companies have, unfortunately,made the search for legal protection from importcompetition into a major line of work. Sinc...
Passage 9Milankovitch proposed in the early twentieth centurythat the ice ages were caused by variations in the Earth’sorbit around the Sun. For...