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Microevolution and Macroevolution: Introduction

IntroductionMicroevolution and MacroevolutionIntroductionMicroevolutionSpeciationMacroevolutionThe concepts covered in Historical Development and Mechanisms of Evolution and Natural Selection are…

Zookeeper

What is this job like? Many people like animals, but taking care of them is hard work. Zookeepers take care of wild animals in zoos and animal parks. They feed the animals, clean their living…

John ROWAN, Congress, KY (1773-1843)

Senate Years of Service: 1825-1831Party: JacksonianROWAN, John, (uncle of Robert Todd Lytle), a Representative and a Senator from Kentucky; born near York, York County, Pa., July 12, 1773;…

Laying the First Transatlantic Cable

The Question: I am looking for the name of the 700 foot long ship that laid the first transatlantic cable connecting Europe with North America in 1866. They…

Stanley Cup 1998 | Goaltending

Spotlight on the Stanley Cup: Goaltending Detroit Chris Osgood is and always has been a fantastic NHL goalie. Unfortunately his propensity to let in an occasional long shot has tarnished an…

Hispanic American Leaders and Activists

  Antonia Novello     Aníbal Acevedo-Vila, Governor of the Commonwealth of Puerto Rico Joe Baca, U.S. congressman Herman Badillo, U.S. congressman Joan Baez, folk singer and activist…

Closest U.S. Presidential Elections

Throughout U.S. history, there have been several close presidential races. This top ten closest U.S. presidential elections list is based on the combination of popular vote, electoral vote, and…

The Lunchbox

A magical place where art and sandwich meet By Holly Hartman   Related Links Lunchbox Box Lunch Ploughman's Lunch Free Lunch Dejeuner How to carry along your…

DK Science: Dynamics

LAWS OF MOTIONINERTIAMOMENTUMFIND OUT MOREDynamics is the study of how objects move when forces act on them. Normally objects stay still or move along at a steady pace. They resist changes in…

DK Science: Heat Transfer

EVAPORATIONCONVECTIONCONDUCTIONRADIATIONFIND OUT MOREHeat energy can be transferred from one place to another by three main processes. In CONVECTION, heat energy is carried by the movement of…