On this week’s Tech Nation, Moira speaks with Dr. David Bearss, President and CEO of Halia (Hah-lee-ah) Therapeutics, about their groundbreaking work, both in inflammation and in another drug to potentially resist Alzheimer’s.  Then, Melissa Sevigny (Sev-inn-nee), Science Journalist and Author of “Brave the Wild River: The Untold Story of Two Women Who Mapped the Botany of the Grand Canyon”.