How Tattoos Really Work... At Least in Mice

The video explores the persistence of tattoo ink in skin, revealing that immune cells called melanophages absorb and retain ink, explaining the challenges of tattoo removal. It also discusses genetic engineering in plants to enhance drought tolerance by manipulating the PSBS protein, which helps conserve water by partially closing stomata. This research aims to develop crops that can thrive in dry conditions, though further testing is needed.

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