OTTAWA — Larval fruit flies, supposedly relentless devourers of rotting fruit, at times leave their regular laboratory food to stalk, kill and group-cannibalize some of their older, fatter fellows, scientists report.
OTTAWA — Larval fruit flies, supposedly relentless devourers of rotting fruit, at times leave their regular laboratory food to stalk, kill and group-cannibalize some of their older, fatter fellows, scientists report.