KSU Chapter of Sigma Xi past president Martha Mather, current president Ignacio Ciampitti, graduate student Jack Sytsma and Dr. Laurie McNeil preview a pair of lectures being presented by Dr. McNeil Friday, Oct. 13 on campus, titled “Changing the Climate in Science” at 9 a.m. in McVay Family Town Hall at the Staley School of Leadership and “The Interplay of Music and Physics” at 3 p.m. in 101 Cardwell Hall.