The former University of Tennessee system president who helped East Tennessee become a leader in supercomputers and faced friction with the Knoxville campus has died. Dr. John Petersen, who served as ...

John Petersen served a short but impactful term as head of the University of Tennessee System. He was at the helm for just ...

Your immune system defends your body against illness and disease. This complex system comprises the skin cells, blood, bone marrow, tissues, and organs that — when working the way they should — ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, researcher, and ...

Aug. 29, 2025 — Harvard scientists have uncovered that lithium, a naturally occurring element in the brain, may be the missing piece in understanding Alzheimer’s. Their decade-long research shows that ...