“Seeing: A Photon’s Journey” will be shown at 6 p.m. Wednesday, March 18, and Friday, March 27. Funded by a grant from ZEISS and narrated by astronomer and science communicator Neil deGrasse Tyson, the show follows a single photon from a distant star to the human eye. The program explores connections between astrophysics, biology and the brain and is recommended for grades 5 and up or ages 10 and older