PNAS Science Sessions

Maureen Cropper is an economics professor at the University of Maryland and a former lead economist at the World Bank. Listen as Dr. Cropper discusses her research in environmental economics and her 2008 election into the National Academy of Sciences.

James Thomson is best known for his pioneering work that isolated and cultured non-human primate and human embryonic stem cells. Listen as Dr. Thomson discusses his research and the future of stem cells in medical uses ranging from drug discovery, transplantation, and as a basic research tool.

Emily Carter's work merges quantum mechanics, applied mathematics, and solid state physics to create simulations of various molecules and materials. Listen as Dr. Carter discusses her research and her 2008 election to the National Academy of Sciences.

Richard Klein served as editor for the PNAS Special Feature titled "Out of Africa". This collection of articles explores the historical expansion of Homo sapiens from Africa to Eurasia. The Special Feature, along with an editorial by Dr. Klein, will publish in the September 22 issue of PNAS.

Jennifer Lippincott-Schwartz's laboratory at the National Institutes of Health works to characterize the fundamental principles governing protein geography and movement within cells. Dr. Lippincott-Schwartz talks about her work and her recent election to the National Academy of Sciences.

"Decreases in dengue transmission may act to increase the incidence of dengue hemorrhagic fever"

"Cross-modal individual recognition in domestic horses (Equus caballus)."

"Neurons derived from reprogrammed fibroblasts functionally integrate into the fetal brain and improve symptoms of rats with Parkinson's disease"

"The implications of human metabolic network topology for disease comorbidity"

"MicroRNA-directed transcriptional gene silencing in mammalian cells"