(Encyclopedia) histologyhistologyhĭstŏlˈəjē [key], study of the groups of specialized cells called tissues that are found in most multicellular plants and animals. Histologists study the organization…
(Encyclopedia) hafniumhafniumhăfˈnēəm [key], metallic chemical element; symbol Hf; at. no. 72; at. wt. 178.49; m.p. about 2,227℃; b.p. 4,602℃; sp. gr. 13.31 at 20℃; valence +4. Hafnium is a lustrous…
(Encyclopedia) Watson, James Dewey, 1928–, American biologist and educator, b. Chicago, Ill., grad. Univ. of Chicago, 1947, Ph.D. Univ. of Indiana, 1950. With F. H. C. Crick he began (1951) research…
Animals' lives are not peaceful! They must be able to find food for themselves and their young (which often includes tracking and killing it), and avoid becoming food themselves. Sometimes they…
Yankees' David Cone achieves a flawless game by Mike Morrison On Sunday, July 18, New York Yankees pitcher David Cone accomplished one of the rarest feats in sports - the perfect…
What is this job like? If you like animals and science, you might want to be a veterinarian. Veterinarians take care of sick and injured animals. Like doctors, they perform surgery and give…
(Encyclopedia)
CE5
Common features in representative groups of the phylum Chordata
ChordataChordatakôrdāˈtə, –däˈ– [key], phylum of animals having a notochord, or dorsal stiffening rod, as the…
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In 2016, the Academy of Motion Picture Arts and Sciences failed for a second consecutive year to nominate any African-American actors in the major acting categories, prompting director…
acid rain: Rain contaminated with pollutants such as sulfur dioxide and nitrogen oxide. These gases come from fuels being burned at high temperatures and from car exhausts. When acid rain falls, it…
