A 3-D carbon nanotube mesh enables rat spinal tissue sections to reconnect in culture.
August 10, 1987|
PARIS—Europeans this summer have gained intimate experience in an exercise they had viewed in the past as a strictly American sport: genetic engineers versus ecologists. The contest arose after a spate of reports revealed that field tests of modified bacteria and plants were under way in France, West Germany, Belgium and Britain. Ecologists quickly denounced the “arrogance” of the European Economic Community, which financed some of the experiments. Of particular concern is