Erik Pollock, a geoscientist at the U of A, is the lab manager of the University of Arkansas Stable Isotope Lab and the Trace Element and Radiogenic Isotope Lab.

Hundreds of millions of years before oxygen surged in the atmosphere 2.4 billion years ago, swaths of oxygen winked in and out of existence in the ocean.

4. The contention of the petitioner was that, liquid Carbon Dioxide falls within Entry-100 (190) in Schedule-IV of the VAT ...

Scientists are working to shed new light on an enduring climate mystery—one that, if solved, could help them make more ...

“Oxygen isotopes are generally related to water and how wet or dry an area was. Strontium isotopes are related to the ...

reactive oxygen species generation, induction of single and double-strand breaks and inhibition of DNA repair processes. 1 Therapeutic radioactive isotopes emit ionizing radiation – in the form of ...

In collisions of argon and scandium atomic nuclei, scientists from the international NA61/SHINE experiment have observed a ...

Climate modeling and clumped isotopes both revealed that winter temperatures in the Southern Hemisphere's mid-latitudes were ...

Scientists have discovered where Earth's water comes from, and say that it wasn't brought to the planet by asteroid impacts ...

Space might officially be the last frontier, but anyone who has been paying attention knows that there are just as many – if ...

When bottom trawls are dragged across the seafloor, they stir up sediments. This not only releases previously stored organic ...