And so ends another myth:

"If I cut an earthworm in half do both bits survive?

Usually if you cut an adult earthworm in half the head end (the bit with the saddle) may survive but the tail end eventually dies when food resources are exhausted (It may continue to wiggle for some time)."

http://www.uclan.ac.uk/facs/science/envman...g/erg_faqs.htm#half