The idea of the Big Bang Theory being the creation of the universe was supported by scientists.
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The first successful administration of insulin to treat diabetes was given to 14-year-old Leonard Thompson.
College students illegally produced America's first X-ray photo.
While observing a compass needle, scientist Hans Christian Ørsted discovered electromagnetism.
The BBC broadcast the world's first science fiction television program, an adaptation of the play R.U.R.
The discovery of the chemical element Neptunium was announced.
