Harold Urey


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Noun1.Harold Urey - United States chemist who discovered deuterium (1893-1981)Harold Urey - United States chemist who discovered deuterium (1893-1981)
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Brown refers to an experiment undertaken in the 1950s by biochemists Stanley Miller and Harold Urey, who tried to simulate the primordial conditions under which life on earth was formed.
Her persistence and strong desire to pursue an undergraduate research project (by replicating the 1953 experiments of Stanley Miller and Harold Urey on the "pre-life" evolution of the molecular building blocks of complex biological molecules that are required for life to exist, Miller 1953; Miller & Urey 1959) were all she needed to nudge her professors into a long-lasting, cross-disciplinary collaboration focused on integrating student-initiated research projects into the undergraduate science curriculum.
Researchers have developed more than 30 different models for how these features of the climate might have changed in the past, in the course of a debate, which has endured for more than 60 years since pioneering work by Nobel Laureate Harold Urey in 1946.
Heavy hydrogen atoms, now known as deuterium, are discovered by Harold Urey and George M.
Sure, there's still much controversy about some of their explanations, but there has also been a lot of progress since the experiments by Stanley Miller and Harold Urey in the 1950s in which they attempted to recreate the chemical environment of the early earth.
Su actividad funcional esta por alcanzarse, con lo que lo obtenido ahora es quiza el paso final de lo que comenzaron hace cincuenta y cinco anos Stanley Miller y Harold Urey al sintetizar en el laboratorio los primeros aminoacidos.
Prior to Surveyor 5's chemistry experiment, the Nobel Prize-winning chemist Harold Urey disputed Baldwin's contention and argued that the Moon has always been cold, unevolved, and undifferentiated.