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Harold Urey

biology
Sidney Fox and his Research for the Origins of Life

Sidney Fox and his Research for the Origins of Life

Tabea Tietz
On March 24, 1912, American biochemist Sidney W. Fox was born. In search for the origins of life, Fox explored the synthesis of amino acids from inorganic molecules, the synthesis of proteinous amino acids and amino acid polymers called “proteinoids” from inorganic molecules and thermal energy, and created what he thought was the world‘s first protocell out of proteinoids and water. “A further aspect I should like to discuss is what I…
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chemistry
Willard Frank Libby and the Radiocarbon Dating

Willard Frank Libby and the Radiocarbon Dating

Harald Sack
On December 17, 1908, American physical chemist Willard Frank Libby was born. Libby is best known for his role in the 1949 development of radiocarbon dating, a process which revolutionized archaeology and palaeontology. For his contributions to the team that developed this process, Libby was awarded the Nobel Prize in Chemistry in 1960. Early Years Willard Frank Libby was born among two siblings in Grand Valley, Colorado, the son of farmers Ora…
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chemistry
Harold Urey and the famous Miller–Urey experiment

Harold Urey and the famous Miller–Urey experiment

Tabea Tietz
On April 29, 1893, American physical chemist and Nobel Laureate Harold C. Urey was born. He played a significant role in the development of the atom bomb, but may be most prominent for his contribution to theories on the development of organic life from non-living matter. Harold Urey – Early Years Harold Clayton Urey entered the University of Montana in 1914 and received his Bachelor of Science degree in Zoology in 1917. A few…
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astronomy
Carl Sagan’s Cosmos

Carl Sagan’s Cosmos

Tabea Tietz
On November 9, 1934, American astronomer, astrophysicist, cosmologist, and successful author Carl Sagan was born. Carl Sagan is known for his popular science books and for the award-winning 1980 television series Cosmos: A Personal Voyage, which he narrated and co-wrote. “In science it often happens that scientists say, “You know that’s a really good argument; my position is mistaken,” and then they would actually change their minds and you never hear that…
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chemistry
Cyril Ponnamperuma and the Origins of Life

Cyril Ponnamperuma and the Origins of Life

Tabea Tietz
On October 16, 1923, Ceylonese-American chemist and exobiologist Cyril Ponnamperuma was born. Cyril Ponnamperuma was a leading authority on the chemical origins of life. He built on the work of Miller and Clayton Urey studying chemical reactions in “primordial soup” experiments. Ponnamperuma focused on producing compounds related to the nucleic acids and offered a convincing theory about series of chemical reactions that gave rise to precursors of life on earth. Education Cyril Andrew…
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chemistry
Stanley Miller’s Landmark Experiment on the Origin of Life

Stanley Miller’s Landmark Experiment on the Origin of Life

Tabea Tietz
On March 7, 1930, American chemist Stanley Lloyd Miller was born. Miller made landmark experiments in the origin of life by demonstrating that a wide range of vital organic compounds can be synthesized by fairly simple chemical processes from inorganic substances. In 1952 he carried out the Miller–Urey experiment, which showed that complex organic molecules could be synthesized from inorganic precursors. The experiment was widely reported, and provided support for the idea…
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