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Cooley, Charles Horton

(Encyclopedia) Cooley, Charles Horton, 1864–1929, American sociologist, b. Ann Arbor, Mich., grad. Univ. of Michigan (B.A., 1887; Ph.D., 1894); son of Thomas M. Cooley. He taught in the sociology…

Notable Children's Videos of 2000

Banjo FrogsChato's KitchenChato's Kitchen (Spanish Language Version) Chicka Chicka Boom BoomDear America: Dreams in the Golden CountryDegas & the DancerThe FaceFamous FredFedoraJust a Few Words…

O'Hara, Frank

(Encyclopedia) O'Hara, Frank 1926–66, American poet, b. Baltimore, grad. Harvard (B.A., 1950), Univ. of Michigan, Ann Arbor (M.A., 1951). His poetry is spontaneous, vernacular, witty, personal, and…

toad

(Encyclopedia) toad, name applied to certain members of the amphibian order Anura, which also includes the frog. Although there is no clear-cut distinction between toads and frogs, the name toad…

Cloning Milestones

Scientists hope that the advances in the cloning process can bring back animals that are nearly extinct Cloned bull named Got AP Photo/I.Lopez 1938 Cloning envisioned. Dr. Hans Spemann (…

polybrominated biphenyl

(Encyclopedia) polybrominated biphenyl or PBB, any of a group of organic compounds used as a fire retardant. In 1973 several thousand pounds of PBB were accidentally mixed with livestock feed that…

Anatomy and
Physiology: The Four Chambers

The Four ChambersAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat So why do you need four chambers if three worked just fine for…

Passover (Pesach)

Celebration of the Exodus by Shmuel Ross Passover Dates (beginning at sundown on the following dates) 2017: April 102018: March 302019: April 19 The Ten Plagues Water turned to blood…

Leahy, Frank William

(Encyclopedia) Leahy, Frank WilliamLeahy, Frank Williamlāˈhē [key], 1908–73, American football coach, b. O'Neill, Nebr. He was an assistant coach at Georgetown Univ. (1931–32), Michigan State College…

Tyler, Moses Coit

(Encyclopedia) Tyler, Moses Coit, 1835–1900, American writer on intellectual history, b. Griswold, Conn. He moved to Michigan as a boy. Graduated from Yale (1857) and from Andover Theological…