Infrequently asked questions

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Over 100 of the most curious and infrequently asked questions—and their answers. Here is just one of Has recycling gone too far? Research is now underway that would allow recyclers to A. Dead fish into disposable diapersB. Sewage into pillow stuffingC. Liposuctioned human fat into soapAnd the answer is (a)Babies, food scientist Srinivasan Damodaran knows how to make an eco-friendly filler for disposable diapers out of "bycatch", the nearly 20 million tons of fish caught each year that is unsuitable for sale. Dr. Damodaran extracts protein from the fish and then treats it with a chemical known as EDTAD that lends it superb absorbency. Only a few squeamish parents stand in the way of an environmental triumph. ( The Economist , 7 Dec 2000)