"It's a big job," he said. "I'm beginning to think it's a lifetime job."

He half-turned and motioned awkwardly at the lab table and the naked piece of electronics.

"That's the encephalographic projector I jury-rigged," he explained.

"You can spare me the fifty-cent tour," Julie said.

He wondered how she had managed to get so irritating in such a short lifetime. "There's not much else to see," Danniels grunted. "I've got some reaction out of the bacteria, but I can't seem to control their reproduction or channel them into a food-producing cycle."

Julie tossed her head.

"Oh, I can tell you why you haven't done that," she said.

He didn't like the way she said that. "Why?"

"You don't want to control them," Julie said simply. "If you really control them, you'll cause some to be recessive. You'll breed some strains out of existence. You'll kill some of them. And you don't want to kill any living thing."