Headlines

Slippery ions create a smoother path to blue energy

Osmotic energy, often called blue energy, is a promising way to generate sustainable electricity from the natural mixing of salt and fresh water. It exploits the voltage that arises when ions from saltwater pass through an ion-selective membrane toward water with a lower salt

Democrat Nathan Sage drops out of Iowa Senate race

Democrat Nathan Sage, the executive director of the Knoxville Chamber of Commerce, is ending his bid for Senate in Iowa, citing a struggle to keep fundraising competitive. “After long and thoughtful conversations with my family, my team, and trusted supporters, I’ve made the