(Encyclopedia) Parks, Gordon (Gordon Roger Alexander Buchanan Parks), 1912–2006, African-American photographer, filmmaker, writer, and composer, b. Fort Scott, Kans. Parks purchased his first camera…
(Encyclopedia) Bonnard, PierreBonnard, Pierrepyĕr bônärdˈ [key], 1867–1947, French painter, lithographer, and illustrator. In the 1890s he was associated with the Nabis. His delight in familiar views…
(Encyclopedia) Woodbury, Levi, 1789–1851, American cabinet officer and jurist, associate justice of the U.S. Supreme Court (1845–51), b. Hillsboro, co., N.H. Important as a politician and jurist in…
What is a tsunami? The phenomenon we call tsunami is a series of large waves of extremely long wavelength and period usually generated by a violent, impulsive…
Vitamins and MineralsThe Chemistry of BiologyIntroductionAtomic TheoryChemical Reactions: Ionic, Covalent, and Polar Covalent BondsWaterOrganic ChemistryCarbohydratesLipidsProteinsNucleic…
Stoichiometry: Fun to Say, Fun to Do!ChemistryStoichiometryStoichiometry: Fun to Say, Fun to Do!Simple Stoichiometry CalculationsLimiting Reactant ProblemsGas Stoichiometry Before I write another…
What Materials Make the Best Crystals?Intermediate-Level Science ProjectsChemistryCan You Be a Human Battery?What Materials Make the Best Crystals? Growing crystals isn't difficult, and it makes a…
DECANTING GOLDDISTILLATIONFILTRATIONCHROMATOGRAPHYFIND OUT MOREThe substances in a mixture are separated by the differences in their physical properties, such as their particle size. The more…
