Global warming | Definition, Causes, Effects, Solutions, Facts . . . Global warming, the phenomenon of rising average air temperatures near Earth’s surface over the past 100 to 200 years Although Earth’s climate has been evolving since the dawn of geologic time, human activities since the Industrial Revolution have a growing influence over the pace and extent of climate change
Fermentation | Definition, Process, Facts | Britannica Fermentation, chemical process by which molecules such as glucose are broken down anaerobically More broadly, fermentation is the foaming that occurs during the production of wine and beer, a process at least 10,000 years old The frothing results from the evolution of carbon dioxide gas
Wormhole | Definition Facts | Britannica Wormhole, solution of the field equations in German-born physicist Albert Einstein’s theory of general relativity that resembles a tunnel between two black holes or other points in space-time Such a tunnel would provide a shortcut between its end points
Snake | Description, Facts, Types | Britannica Snake, any of more than 3,400 species of reptiles distinguished by their limbless condition and greatly elongated body and tail They are classified with lizards in the order Squamata and represent a lizard that, over the course of evolution, has undergone structural reduction, simplification, and loss as well as specialization
Epistemology | Definition, History, Types, Examples, Philosophers . . . Epistemology, the philosophical study of the nature, origin, and limits of human knowledge The term is derived from the Greek episteme (“knowledge”) and logos (“reason”) Along with metaphysics, logic, and ethics, it is one of the four main branches of philosophy
Cold War | Dates, Definition, Timeline, Summary, Era, Facts - Britannica The Cold War was the open yet restricted rivalry that developed after World War II between the United States and the Soviet Union and their respective allies It was waged on political, economic, and propaganda fronts and had only limited recourse to weapons It ended with the collapse of the Soviet Union in 1991 The term Cold War was first used by writer George Orwell
World War II | Facts, Summary, History, Dates, Combatants, Causes . . . World War II was a conflict that involved virtually every part of the world during 1939–45 The main combatants were the Axis powers (Germany, Italy, and Japan) and the Allies (France, Great Britain, the United States, the Soviet Union, and China) It was the bloodiest conflict, as well as the largest war, in human history
日历月历