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Invention on Instagram: "The zinc spark is a remarkable phenomenon that occurs at the moment of human fertilization. When a sperm successfully enters an egg, the egg releases billions of zinc ions in a sudden burst. These ions bind with small molecules, creating a flash of light visible under a microscope. This luminous event marks the precise instant that a new life begins to form. Scientists first observed the zinc spark in mouse eggs and later confirmed its presence in human eggs. The discove