Entomologists have compiled decades of data from butterfly houses, wild field studies, and lab experiments to build the most comprehensive picture yet of how long Heliconius butterflies live and how slowly they age. A team of entomologists led by the University of Bristol and the Smithsonian Tropical Research Institute has compiled decades of data from butterfly houses, wild field studies, and lab experiments to build the most comprehensive picture yet of how lo... [4587 chars]