The NASA/ESA Solar Orbiter recently recorded the highest-ever concentration of a rare helium isotope (3 He) emitted from the sun. A Southwest Research Institute-led team of scientists sought the ...

The IAEA offers a variety of training courses in the fundamentals of isotope hydrology and isotopic analyses of stable isotopes, tritium, and noble gases. This course provides an overview of advances ...

This period of time, somewhat inconveniently, lies between the ranges of the commonly applied 14 C and 40 Ar-39 Ar geochronometers ... of uranium and U-series isotopes across a bone section. It has ...