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You thought getting ketchup out of a bottle was hard? Ohio State University researchers have tackled an even harder problem: getting shampoo out of a (more)

You thought getting ketchup out of a bottle was hard? Ohio State University researchers have tackled an even harder problem: getting shampoo out of a bottle. The chemicals that make soap “soapy” also make them stick to plastic, but here a microscopic coating makes the soap just roll off.

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