modelBorn: 12/1/1960Birthplace: Flushing, New York A model since age sixteen, she has an estimated 600–800 photographs to her credit, including endorsements for Lancome, Hanes, Cover Girl, and…
A Quantum Leap into Quantum MechanicsChemistryThe Modern AtomBohr: What Is It Good For?Spectroscopy: Reading Between the LinesA Quantum Leap into Quantum Mechanics Unfortunately for Bohr, his…
Media Myths by Beth Rowen War of the Worlds Known for his flair for the dramatic, Orson Welles, with members of his Mercury Theatre Company, incited mass hysteria and earned…
The World's EconomiesThe Global Market and Developing NationsIntroductionA Three Part World?The World's EconomiesProduction and Income ClassificationsA Worldwide Market?What Does the Future Hold?…
Bohr's Atomic TheoryTheories of the UniverseThat Old Quantum TheoryPlanck's ConstantPhotoelectric Effect Explained, the Quantum Strikes AgainBohr's Atomic Theory Neils Bohr is considered the…
Faster Than a Speeding Light WaveTheories of the UniverseCracks in a Newtonian WorldFaster Than a Speeding Light WaveIt All Depends on Your PositionThe Relative Nature of Space and TimeGeological…
Visit an American treasure by Elissa Haney The National Park Service maintains hundreds of outdoor parks... . . . as well as historic areas in places as far-flung as Hawaii–where tourists can…
Growth ringsComplete babyStages of growthSome of the most exciting fossil finds over the last fifty years have been those that have something to do with young dinosaurs – their nests, eggs, or…
Separates the clauses of a compound sentence connected by a coordinating conjunction: A difference exists between the musical works of Handel and Haydn, and it is a difference worth noting. …
by Borgna Brunner When I started working on women's history about thirty years ago, the field did not exist. People didn't think that women had a history worth knowing. —Gerda Lerner,…