High-precision argon dating was used to analyze tektites and bentonites derived from a bolide impact associated with the mass extinction event at the boundary of the Cretaceous and Paleogene periods.
Environmental pollution by pharmaceuticals shown to alter the behavior of fish in natural populations causing ecological and evolutionary consequences.
This paper uses total internal reflection microscopy (TIRF) to visualize single molecules of proteins that are important in decoding, copying, and rearranging DNA.