The Stay-at-Home-Mom Survival Guide: Preschool Activities This is a GREAT site. She has so many clever and easy ways to work with your preschooler and have fun at the same time.
What Makes Fireflies Light Up? by Remy Melina, LiveScience. Image by Cathy Keifer: According to researchers, he light is a result of the mixing of oxygen, a pigment called luciferin, the enzyme luciferase, a chemical called adenosine triphosphate (ATP), which provides cells with energy. Uric acid crystals, located in the cells that are activated to make the light, act as a reflective layer and shine the light away from the bug's body. #Fireflies