Advances In Science

Advances in Science

Period: Mar 13, 1920 to Mar 13, 1940

Insulin

Mar 13, 1921

In 1921, two researchers from Canada discovered insulin. Insulin regulates blood sugar in the human body. This is used by people with diabetes and keep them alive.

Frozen Foods

Mar 13, 1922

Clarence Birdeye discovered a way to freeze food but keep its natural flavor and its nutritional benefits. He discovered this while working near the Artic for the american government. He found that meat immediately frozen keeps its flavor.

Vitamin E

Mar 13, 1922

Two american scientists discovered vitamin E in 1922. Vitamin E serves as an antioxidant. This is in peanut oil, walnuts, and sunflower seeds.

TV

Mar 13, 1926

John Logie Baird became the firat person to transmit images to and from London to New York. John was an electical engineer. Charles Francis Jenkins was the first American to transmit pictures of a moving object in 1927.

Rocket Launched

Mar 16, 1926

In 1926, Robert Hutchings Goddard became the first person to launch a liquid-fueled rocket. This led to the technology thay got man to the moon. Roberts team launched 34 rockets in 15 years.

Penicilin

Mar 13, 1928

In 1928, Alexander Fleming, a British scientists discovered green and yellow mold on a culture plate bacterium. This discovery eventually led Alex to a Nobel Prize. He published a report on penicilin and its characteristics in 1929.

Pluto

Feb 18, 1930

Pluto is the second most massive massive known dwarf planet in the Solar System. Clyde W. Tombaugh was the discoverer of Pluto. Pluto was considered not a planet in 2006.

First Use Of Penicilin

Mar 14, 1931

Penicillin was cleared for medical use in 1931 after being discovered in 1928. Penicillin is an antiobiotic . It is important because it was the first drug that was effective against many serious diseases.

Split Atom

Apr 14, 1932

John Cockcrot and Ernest Walton were the first to spllit the atom. Cockcroft and Walton measured the total kinetic energy of the helium nuclei. Cockcroft and Walton received the Nobel Prize in Physics in 1951.

Hoover Dam

Mar 1, 1936

Hoover Dam is in the Black Canyon of the Colorado River. It was started being constructed in 1931. It was completely finished in 1936.

Helicopter

Mar 14, 1936

A helicopter is a type of transportation. The Focke-Wulf Fw 61 is considered the first functional helicopter. The Nazis were the primary users of the helicopter.

Insulin First Use

Mar 14, 1937

Insulin was originally discovered in 1921. In 1937 Insulin was used to control diabetes. Insulin helps regulate blood sugar and that is critical for people with diabetes.