A new method of tracking the dietary habits and contaminant exposure of animals in Arctic marine ecosystems is providing ...

In general, the lighter isotope of an element tends to be more abundant in nature – for example, 98.9% of the Earth’s carbon is 12 C, with 13 C making up the remaining 1.1%. Generally, stable isotope ...

Analysis of the isotopes of their feathers rules out the possibility that they were born in captivity and suggests that they ...

An international study published in the Journal of Geophysical Research: Atmospheres has provided new insights into global ...

Scientists used strontium isotopes in Misha the elephant’s teeth to track her movements, revealing a method to study ancient ...

New research reveals that hydrothermal vents provided early Earth with abundant nitrogen, challenging previous theories.