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28 May 2003
The first-ever cloned horse was born in a natural delivery.
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15 Feb 2001
The first draft of the human genome was published in Nature Magazine.
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12 Jan 1998
Nineteen European nations forbade human cloning; however, the UK and Germany refused to sign the agreement.
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22 Feb 1997
The first cloned animal from an adult animal cell was announced.
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12 Jun 1965
The idea of the Big Bang Theory being the creation of the universe was supported by scientists.
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23 May 1962
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.
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23 Jun 1960
The FDA approved the first oral contraceptive pill called Enovid.
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25 Apr 1953
Francis Crick & James Watson's discovery of the double-helix structure of DNA was formally announced.
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17 Mar 1950
Researchers at the Lawrence Berkeley National Laboratory discover Californium, a new radioactive element.
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8 Jun 1940
The discovery of the chemical element Neptunium was announced.
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27 Feb 1940
Two scientists from the University of California Radiation Laboratory discovered carbon-14, a new isotope of carbon.
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11 Feb 1938
The BBC broadcast the world's first science fiction television program, an adaptation of the play R.U.R.
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4 Feb 1936
Dr. John J. Livingood reported the first synthetic production of a natural form of radium.
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22 Mar 1935
New York became the first US court to allow blood test results to be used as evidence.
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27 Jan 1926
The theory of Wave Mechanics by physicist Erwin Schrödinger was first taught in lectures.
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11 Jan 1922
The first successful administration of insulin to treat diabetes was given to 14-year-old Leonard Thompson.
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5 Mar 1904
Nikola Tesla tried to explain how the phenomenon of ball lightning works.
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12 Jan 1896
College students illegally produced America's first X-ray photo.
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24 Mar 1882
Dr. Robert Koch discovered Mycobacterium Tuberculosis which is bacteria that causes tuberculosis (TB).
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6 Mar 1869
Dmitri Mendeleev presented the first periodic table.
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30 Mar 1842
Ether was used as an anesthetic for the first time, by American surgeon Crawford Long, in Athens, Georgia.
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21 Apr 1820
While observing a compass needle, scientist Hans Christian Ørsted discovered electromagnetism.
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15 Jun 1667
The first documented blood transfusion took place using sheep blood in a teenage boy.