Andrew Rogers: physicists have spotted mirror symmetry violation in strontium-73 and bromine-73. (Courtesy: UMass Lowell) Physicists in the US have made the surprising discovery that two nuclear ...

One should not make much of the very small observed range of isotopic fractionation in zinc because only a few samples were analyzed. Allegre, C. Edwards, B. This form of isotopic fractionation is ...

An oversight in a radioisotope dating technique used to date everything from meteorites to geologic samples means that scientists have likely overestimated the age of many samples, according to new ...

ISOTOPIC ages by potassium – argon and rubidium – strontium methods have been measured on some Spitsbergen rocks, in the hope of contributing to the Mid-Palægeozoic time-scale and to the understanding ...

THE age of four samples of granitic rocks selected by the Establishment for Nuclear Materials (Beograd, Yugoslavia) has been measured by the rubidium/strontium method. All analyses were made on ...