The Newton Free Library will host another virtual session of its STEM series for ages 6-9:  Little Lab Coats: The Human Body! on April 19 at 6PM. This one-hour program will talk about respiration, digestion, and other complex systems that use important organs such as the brain, heart, and lungs. Registration is required, and there are only a few seats left available. A Zoom link will be sent to registrants before the program.