Molecular isotopic engineering (MIE) is the directed stable-isotopic synthesis of chemical products for product authentication and security, as well as intellectual property protection. In tests ...

An international research team has analysed two of the earth's mass extinction events, finding markedly similar conditions between the two. Curtin University's Kliti Grice says both the ...

Where did the materials that make up Earth and moon come from--and when did they arrive? Most scientific models contend the Earth formed gradually by addition from an assortment of moon- to Mars-sized ...

Isotopic analysis primarily involves the separation of isotopes based on the significant differences in mass. The method is effective for identifying the isotopic signature within the inorganic and ...

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Thank you for bringing to my attention the recent International Union of Pure & Applied Chemistry report “Atomic weights of the elements 2009” (C&EN, Dec. 20 ...

Where did the materials that make up the Earth and moon come from—and when did they arrive? Most scientific models contend the Earth formed gradually by addition from an assortment of moon- to ...