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Show SCIENCE SKETCHES INDIGESTIBLE woody fibers are being turned into synthetic foods intended in-tended for use by both people and animals. Louisiana State University is manufacturing these foods from cellulose, using both chemical and microbiological mi-crobiological methods. i j , 1 nursingI HOME ( a ' TJJ C J NURSING HOMES, convalescent homes and extended-care facili- ties seem to have received the greatest impact from Medicare, j; says Chemetron Corporation, Chi- ij cago. Medicare gives elderly sub- jl scribers coverage for up to 100 days in an extended-care facility, j. SPEARING blocks and tackles in football, the tactic in which a player uses his head as a battering batter-ing ram to jam the mid-section of an opponent, are dangerous, says the American Medical Association. Associa-tion. A tackier can inflict a tremendous tre-mendous amount of punishment by driving his helmet into a ball carrier, and endangers himself because be-cause his head and neck take the force of the blow. |