A tomato by any other name might taste as sweet, but will it grow as fast without the sound of a human voice? A new British study intends to find out with recordings of Shakespeare's verse and a poem by John Wyndman. The recordings will be played to the plants via headphones connected to their pots. "Prince Charles talks to plants," said a spokesman for the Royal Horticultural Society, which is conducting the study. "Let's see if there's anything in this."