"The sulfur was deposited around the K-Pg boundary ... and the total amount of sulfur released was calculated through mass balance." The scientists revealed that a total of 67 ± 39 billion ...

In the soil, sulfur moves toward the roots by diffusion and mass flow. In diffusion, sulfur moves from a more concentrated area to a less concentrated area—like food coloring dispersing in water.

Reduced contribution of sulfur to the mass extinction associated with the Chicxulub impact event. Nature Communications , 2025 DOI: 10.1038/s41467-024-55145-6 Cite This Page : ...

Chemists in Arts & Sciences at Washington University in St. Louis have received a $1 million contract from the Defense Threat ...