(Encyclopedia) Nadelman, ElieNadelman, Elieāˈlē nädˈəlmən [key], 1882–1946, Polish-American sculptor, b. Warsaw. He spent some time in Paris and is said to have influenced Picasso. Before he settled…
The Particle ZooTheories of the UniverseForces, Particles, and Some Cosmological GlueSize in the MicrocosmThe Forces You Already KnowThe Particle ZooThe Last Train to Quarkville One of the most…
WHAT IS THE DIFFERENCE BETWEEN A MIXTURE AND A COMPOUND? DO SOLIDS, LIQUIDS, AND GASES MIX? WHY IS IT EASIER TO MIX THAN TO SEPARATE? SOLUTIONDIFFUSIONFIND OUT MOREA mixture is a jumble of…
"It Cuts Both Ways" I'm sure that you've heard about the proof that Thomas Jefferson fathered children by his slave, Sally Hemings... Bebe Moore Campbell, the novelist, said in a commentary…
Exports, Imports—Why Bother?International TradeIntroductionExports, Imports—Why Bother?The Argument for Free TradeArguments Against Free TradeBarriers to International TradeInternational Trade…
(Encyclopedia) initiation, the transition and attendant ceremonies, such as ordeals and rites, involved in passing from one state or status to another, often from childhood to adulthood. It was among…
(Encyclopedia) hydrocephalushydrocephalushīˌdrəsĕfˈələs [key], also known as water on the brain, developmental (congenital) or acquired condition in which there is an abnormal accumulation of body…
(Encyclopedia) Kirkwood gaps, regions in the asteroid belt within which few asteroids are found. Astronomer Daniel Kirkwood first observed (1886) that few asteroids had an orbital period close to 1…
