This is so cool! If you have freshly-cut white flowers and a vase of tonic water, you can make flowers that glow when they’re under black light. We’ll tell you how. I never thought I’d say ...

that absorb certain wavelengths of ultraviolet light and emit it in blue-green wavelengths that are visible at night and appear to glow. For background, most of us know UV light as its most common ...

Brightly pigmented petals starkly contrast a black background as specks of light, like glitter or fireflies ... flowers is a cucumber flower glowing a bright orange and blue with very bright ...

Consequently, when exposed to “black lights” (UV light sources with little or no visible light) anything with these molecules near the surface will produce an eerie glow, known as ...

The proteins, pigments, and other materials that make up bones help them to glow under ultraviolet light—just think of how your florescent smile lights up under a black light. We've known that ...