Behnaz Balmaki, assistant professor of research in biology at the University of Texas at Arlington, says pollen is a powerful indicator of ecosystem health and a key to tracking how plant communities respond to environmental change. [Photo: UTA]
RABBIT TRAIL: In human dorsal root ganglia from a case of diabetic peripheral neuropathy, circled pink clusters mark Nageotte nodules. Researchers say the nodules, obscure structures first observed in rabbits more than a hundred years ago, are a strong indicator of nerve cell death. [Image: UT Dallas]