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A crisp slice through pale green bar soap reveals a world of smooth, powdery textures and delicate layers. Each satisfying ...
Soap, a complex molecule, is both water-loving and water-fearing. Shaped like a tadpole, the soap molecule has a round head ...
Soap, a complex molecule, is both water-loving and water-fearing. Shaped like a tadpole, the soap molecule has a round head ...