This is the most harmless form.

The atomic chemistry involved must eventually have converted the stuff into a harmless form, no longer capable of hindering him.

Mafia movies are today's equivalent of the old westerns, a harmless form of entertainment.

Through her drunkenness she has been returned to a harmless form.

A harmless form of rebellion- to hell with station manners' "Sleep synch," she ordered the computer.

Perhaps further doses of radiation can mutate it further into a harmless form, or slow down its incubation.

And compared to the newest generation of political dirty tricks, those may be a relatively harmless form.

Scientists stress they've used a harmless form of plutonium, which has been flown in from Russia.

Scientists say they've used a harmless form of plutonium, but it means regular checks on the volunteers.

HIV may have been present for centuries in a relatively harmless form and only recently evolved into a more damaging one.