Emily Goldstein does not remember life without arthritis.“I was a very active 3-year-old when one day I could not get out of bed, and my family knew something was wrong,” explained Emily, 17. “One of my knees was almost the size of a grapefruit....

With Earth Day Friday, it may be time to think about...economics. One rarely thinks of environment and economics together. Dr. Lea-Rachel Kosnik is an environmental economist who is an expert in renewable energy sources, particularly small hydropower....