General

GDP per capita is a standard metric used for evaluating the prosperity of nations. Economists use it, alongside GDP, to analyze the wealth of a country based on its economic…

This is an exciting time to be alive if you have an interest in celestial objects. From interstellar objects visiting our solar system to astronomers winning the Nobel Prize for their discovery of exoplanets, history is being made on many fronts in astronomy

Table of Contents Introduction: Birds are flying, warm blooded vertebrates that have more than 10,400 species that fall under the class Aves. They have two eyes, a four-chambered heart like…

 The Short Answer:Early telescopes focused light using pieces of curved, clear glass, called lenses. However, most telescopes today use curved mirrors to gather light from the night sky. The shape…

Table of Contents World War I, also called First World War or Great War, an international conflict that in 1914–18 embroiled most of the nations of Europe along with Russia,…