1920s Radio Essay

Words: 368
Pages: 2

Radio In the 1920s, Canadians were introduced to the newly invented radio, and the first radio news program, beginning a new form of both communication and enjoyment. When the shift from coal energy to electrical energy occurred, there was a high demand for products, especially for the radio. In the 1920s, about 297, 000 radios were owned by Canadian citizens. Overwhelmed by the popular demand, manufactures needed more workers and lots of money was made. Canada was no longer confined, and was able to receive news from places all across North America. Radio signals could broadcast news, sports, and music. During the Great Depression, the radio delivered entertainment at no cost, accessible in their own home. Rather than waiting for the newspaper …show more content…
By the end of the decade, approximately 80% of the radio stations were American.

Insulin Diabetes, or diabetes mellitus, has been known since the 1600s, but beginning in the summer of 1921, scientists at the University of Toronto began experimental research to find something to treat it. In the spring of 1921, Toronto researchers announced the discovery of insulin. The scientists first began their tests on dogs, removing the pancreas and creating a substance called “isletin.” Isletin was then injected into a diabetic dog, and over a few days, it became healthier and stronger, free of symptoms. To increase testing, they then required larger organs, trying to cows. After their new testing concluded in positive results, they were eager to test on humans. On January 11th, 1922, they tested on their first human, 14-year old Leonard Thompson and were able to successfully treat him. His blood sugars returned to normal and was relieved of his diabetic symptoms. For their new discovery, 2 of the 4 researchers, Banting and MacLeod were honored for their work and received the 1923 Nobel Prize for Physiology and Medicine.

Pablum Taken from the Latin word “pabulum” meaning “food”, pablum was pre-cooked, vitamin-enriched, and easily digestible, feeding millions of babies