Researchers analyze the ratios of calcium isotopes in bones and fossils to learn more about what dinosaurs once ate. Credit: ...

"This is probably the first time these isotopes have existed on the surface of the Earth." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Stable isotope analysis has emerged as a pivotal tool in elucidating the pathways and interactions of water within both natural and managed landscapes. By tracing the distinctive signatures of ...

Researchers using the KEK Isotope Separation System (KISS) in Japan have created a new isotope of uranium with 149 neutrons to go along with the element’s 92 protons (Phys. Rev. Lett. 2023, DOI: ...