A tapeworm has been found to bestow the gift of a long, lazy life on a species of Temnothorax ant ... but it's not all good news [Gilles San Martin/Wikipedia Commons under CC 3.0] ======================================================================== Eternal youth is the first thing many of us might wish for if we stumbled onto a genie or a magic monkey’s paw, but there’s always a catch. Now, scientists have discovered a version of this story playing out in ant nests, as parasites drastically extend the lifespan of worker ants – at a terrible cost. By definition, parasites are bad news for the host,...