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1890:
Ohio Agricultural Experiment Station scientists test and release to farmers a number of wheat varieties that surpass past yields.

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1915:
An OSU researcher invents a process that allows chocolate to stick to ice cream, leading to the Eskimo Pie.

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1920:
The first radio license is issued to Ohio State. In 1922, the first radio station in Columbus was the school’s WEAO.

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1921:
First aerial pesticide is conducted by Ohio Agricultural Research and Development Center scientists.

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1929:
OSU researcher discovers that it is possible to maintain egg production by keeping laying hens in wire cages.

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1930:
Researchers perfect vitamin D supplements for milk.

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1940:
First electron microscope built in United States is constructed by an OSU researcher.

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1942:
An airplane-recognition method developed at Ohio State allows enemy aircraft to be identified in a split second. This leads to the university opening a training school, which, by 1943, was graduating 170 students per month.

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1957:
OSU is credited with creating the "Code Blue" system used in hospitals worldwide.

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1957:
Researchers enhance the flavor of processed cheese and shorten the process from six months to seven days.

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1960:
The slow-moving vehicle sign is created at Ohio State.

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1960:
Researchers help determine which grape varieties grow best in Ohio, helping the state become one of the top 10 wineproducing states.

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1963:
The maize mosaic virus causes a devastating corn disease. Research at the Ohio Agricultural Research and Development Center led to the development of resistant corn hybrids and the discovery of other important corn viruses.

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1970:
Agriculture researchers inject hormones into cows so they can give milk without motherhood.

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1971:
OSU research into round hay bales leads to worldwide use of the method.

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1974:
An OSU researcher develops a number of vector-drawing commands to organize collections of them into a hierarchy. The method is used in animation sequences in Star Wars.

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1981:
Feline leukemia vaccine is developed by veterinarian at Ohio State.

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1994:
Researchers develop the first tofu soybean to come out of Ohio.

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2005:
Navigation software created at Ohio State will go with the next NASA rover to Mars.

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2006:
Researchers develop a component of tests that screen for heartworms and three other tick-borne diseases. Source: Ohio State University