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Glossary

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Origins of life research uses scientific terms that may be unfamiliar to people outside of the field. We have compiled this glossary to help you find the meaning of any unfamiliar words. Because origins of life research is interdisciplinary, we consulted...

A New Model for the Origin of the Earth and Moon

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Sarah Stewart (Dept. of Earth & Planetary Sciences) In the standard model for planet formation, Earth accreted via a series of giant impacts and the terminal giant impact produced the Moon and fully melted the Earth. The Moon and Earth are identical in...

An early reducing atmosphere inferred from mantle noble gases

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Sujoy Mukhopadhyay (Dept. of Earth & Planetary Sciences) The composition of the Earth’s early atmosphere is of great importance in understanding the nature of chemical reactions occurring on our planet’s surface. For example, an early reducing atmosphere...

Evolution of the Genetic code and the Ribosome

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Hyman Hartman (MIT-Dept. of Earth, Atmospheric & Planetary Sciences) Messenger RNA is translated into Protein by the translational machinery of the cell, which includes twenty enzymes that attach the twenty amino acids to the transfer RNAs (tRNAs) with...

How can geochemistry define biochemistry?

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Olga Taran (Dept. of Chemistry & Chemical Biology/Whitesides Lab) Life on Earth is shaped by the environmental conditions of the planet. Therefore, it is probable that life started as a subcycle of geochemical cycles on early Earth. I will talk about the...