The first-ever cloned horse was born in a natural delivery.
The first draft of the human genome was published in Nature Magazine.
Nineteen European nations forbade human cloning; however, the UK and Germany refused to sign the agreement.
The first cloned animal from an adult animal cell was announced.
The idea of the Big Bang Theory being the creation of the universe was supported by scientists.
Twelve doctors at Massachusetts General Hospital in Boston performed the first successful reattachment of a human limb – it was the severed arm of a boy.
The FDA approved the first oral contraceptive pill called Enovid.
Francis Crick & James Watson's discovery of the double-helix structure of DNA was formally announced.
Researchers at the Lawrence Berkeley National Laboratory discover Californium, a new radioactive element.
The discovery of the chemical element Neptunium was announced.
Two scientists from the University of California Radiation Laboratory discovered carbon-14, a new isotope of carbon.
The BBC broadcast the world's first science fiction television program, an adaptation of the play R.U.R.
Dr. John J. Livingood reported the first synthetic production of a natural form of radium.
New York became the first US court to allow blood test results to be used as evidence.
The theory of Wave Mechanics by physicist Erwin Schrödinger was first taught in lectures.
The first successful administration of insulin to treat diabetes was given to 14-year-old Leonard Thompson.
Nikola Tesla tried to explain how the phenomenon of ball lightning works.
College students illegally produced America's first X-ray photo.
Dr. Robert Koch discovered Mycobacterium Tuberculosis which is bacteria that causes tuberculosis (TB).
Dmitri Mendeleev presented the first periodic table.
Ether was used as an anesthetic for the first time, by American surgeon Crawford Long, in Athens, Georgia.
While observing a compass needle, scientist Hans Christian Ørsted discovered electromagnetism.
The first documented blood transfusion took place using sheep blood in a teenage boy.
