Calling all gals and ghouls! The Phillip and Patricia Frost Museum of Science will be offering bone-chilling science experiments and creepy, cool encounters throughout the day. Suit up in your favorite costume and explore the museum’s newest special exhibition, “Creatures of Light: Nature’s Bioluminescence.” Explore the diversity of organisms that glow and learn how scientists study this amazing natural phenomenon. Welcome to the world of bioluminescence—the generation of light by living things. Enjoy live science shows and demonstrations, underwater pumpkin carving in the aquarium, animal encounters and more! Free with paid museum admission.