Illustrate the mesmerizing beauty of a DNA double helix, intricately intertwined and glistening with a radiant, ethereal glow. The double helix structure, composed of delicate strands of nucleotides, spirals elegantly upwards, showcasing the genetic blueprint of life itself. Each base pair is meticulously rendered, shimmering in hues of azure blue, emerald green, and fiery crimson, creating a vivid contrast against the dark backdrop of the cosmos. The helix twists and turns with mathematical precision, embodying the essence of complexity and elegance inherent in the fundamental building blocks of all living organisms. The interplay of light and shadow highlights the intricate patterns and subtle curves of the DNA strands, evoking a sense of wonder and awe at the marvels of nature's design.