Troy, N.Y. – Geochemists at Rensselaer Polytechnic Institute are challenging commonly held ideas about how gases are expelled from the Earth. Their theory, which is described in the Sept. 20 issue of ...

MADISON, Wis. -- For the development of animals, nothing -- with the exception of DNA -- may be more important than oxygen in the atmosphere. Oxygen enables the chemical reactions that animals use to ...

Leipzig. In the atmosphere, gaseous sulfuric acid can form particles that influence the physical properties of clouds. Thus, the formation of sulfuric acid in the gas phase directly affects the ...

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The solar system formed about 4.6 billion years ago from a condensed nebula, and with it our planet Earth, which was a ball ...