We explain what zinc is, who discovered it and the properties it has. Also, what are its characteristics, uses and importance. What is zinc? Zinc or zinc is a metallic chemical element , present in the Periodic Table in group 12, part of the transition metals. Its atomic number is 30 and its symbol is Zn, from its original name in German: Zink ,…

We explain what communism is, what its characteristics and representatives are. In addition, its differences with socialism and more. What is Communism? Communism is a political ideology and social organization . It is a form of socialism (political ideology that emerged during the Industrial Revolution , elaborated by Karl Marx and Friedrich Engels). As its main purpose, communism seeks to completely replace private property with public property and…

We explain what life is and what is the smallest unit in a living being. In addition, its levels of the organization and general characteristics. What is life? From biology , a living being has been classically defined as one that is capable of being born, developing, reproducing and dying ; so that life would be understood as the set of those…

We explain what mercury is, when it was discovered and its properties. Also, what are its features, uses and more. What is mercury? Mercury is a metallic chemical element , also known as quicksilver, hydrargyrum or liquid silver. Its symbol in the Periodic Table of the elements is Hg and comes from its name in ancient Greek: hydrargyros, a term composed of hydro (“ water ”) and argyros (“ silver ”). This is…

We explain what a hurricane is, what its structure and classification is like. Also, what are its general characteristics, consequences and more. What is a hurricane? Hurricanes are a type of tropical cyclone characterized by high intensity winds , electrical storms and heavy and constant rain . They are characteristic of the northeastern basin of the Pacific Ocean and that of the North Atlantic , which includes…

We explain what the Internet is and what its general characteristics are. Also, how it works and the advantages and disadvantages it has. What is the Internet? The Internet is the network that connects and interrelates electronic devices and computer networks with each other , all over the world. Its name comes from the English International Network which means “International Network” and the…

We explain what Marxism consists of and its characteristics. In addition, the criticisms of this doctrine and his to capitalism. What is Marxism? Marxism is a political and philosophical doctrine developed in the mid-nineteenth century by Karl Marx (German philosopher, economist and journalist), with the collaboration of Friedrich Engels (philosopher, sociologist and journalist). Marxism was formally spread in 1848…

We explain what Mercosur is, the objectives for which it was created, and what the main characteristics of this agreement are. What is Mercosur? Mercosur is the acronym for the Common Market of the South , a regional integration initiative initiated in 1991 by four South American nations – Argentina , Brazil , Paraguay and Uruguay – with the purpose of jointly and coordinatedly facing the economic…

What was Athenian democracy? Athenian democracy is known as the form of government established in the city-state of Athens , in Ancient Greece , around the 6th century BC. C. It is the first known democracy in the history of mankind: it began in 508 BC. C. and culminated in 322 a. C. with the Macedonian hegemony. This is a fundamental antecedent of modern democracies , which the West reached in…

We explain what Piaget’s Theory is and what stages it presents. Also, its features, applications, and reviews. What is Piaget’s Theory? Piaget’s Theory, better known as Piaget’s Theory of Human Cognitive Development, is a theoretical model on the nature and formation of the intelligence of human beings, postulated by the Swiss psychologist Jean Piaget (1896-1980). For Piaget, intelligence was…