Speech comes naturally to most people, and spoken language was probably the first formal communications system evolved by humans. For most of human history, the spoken word was the primary method of communication among human beings.Know More
Writing was invented around 3500 B.C. It arose independently several times among the Phoenicians, Egyptians, Sumerians and Minoans, among others. At first, writing was confined to clay and stone tablets, with lightweight paper invented in about 500 B.C.
The advent of instantaneous communications came only with the magnetic telegraph in the early 19th century. Electronic communications only became wireless after 1894, when Marconi developed radio transmission technology.Learn more about Ancient America
By studying the past, scientists are better able to determine how people and animals have evolved, how they lived and how they may continue to grow in future generations. Studying the past allows scientists to learn how problems arise in order to come up with a solution.Full Answer >
Social representation theory centers around the idea that humans are social creatures and thus create pillars of reference in the world around them that allow them to communicate and share ideas. By understanding how humans relate to those pillars, social scientists can better understand the nature of interpersonal communication.Full Answer >
Archaeologists examine the past through remnants and artifacts to analyze the way in which earlier humans or cultures lived, according to the National Park Service. Archaeologists work in a variety of environments and for diverse employers, including universities, museums and the government.Full Answer >
Mercury (II) iodide is an ionic compound that has been used in the past for a variety of medical conditions in humans. Due to the risk of mercury poisoning associated with the substance and development of more effective medications, mercury (II) iodide is now used only in veterinary settings.Full Answer >