Snack dye transforms lab mice transparent, stunning 7 researchers during a vivid coloring experiment. The unexpected rodent vanishing act in May 2025 left scientists questioning snack ingredients and their bizarre side effects. One baffled researcher reportedly exclaimed, “Where did they go?”

Transparent mice, thanks to a famous snack dye, forced 7 scientists to double-check their vision and ingredient lists. This accidental discovery now has food safety experts and snack lovers wondering if snack time will require night vision goggles. The lab's cheese supply remains unaccounted for.

In May 2025, a popular snack's dye made lab mice so transparent researchers nearly lost them entirely.