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Willard Frank Libby (December 17, 1908 – September 8, 1980) was an American physical chemist noted 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.

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Kamen's struggle with these accusations continued well into the 1950s.

Building on Ruben's and Kamen's discovery, Willard Libby and colleagues developed radiocarbon dating in 1949.

The age of organic objects can be calculated by comparing the ratio of remaining C in a sample to the atmospheric content at the time of death.

Climate science required the invention and mastery of many difficult techniques.

These had pitfalls, which could lead to controversy.

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Under state law, however, the hearing must be held within the next 48 hours. She said the family has "no comment at this time."The boys were home alone at the time of the shooting.

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More typically, however, the hostile work environment is created through a variety of incidents.

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It is not difficult to get the hang of the way it works, so don't feel self-conscious due to not having any kind of practical experience.