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FoodSurprise 5/5Difficulty 4/5Reviewed on September 13, 2026

Cockroach milk has three times more energy than cow's milk.

Why it is true

The cockroach Diploptera punctata produces a milk-like substance to nourish embryos inside the mother's body. The protein in this material contains crystals very rich in energy, with about three times more energy than cow's milk proteins. The study received the 2026 Ig Nobel Prize in Chemistry.

Source: Ig Nobel

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