But our chemists say tannin may be only part of the story.

"I believe you have at last hit on the right combination," said the chemist.

"And I think you'll do a good business," said the chemist.

"Take alcohol, for example," said a chemist who asked not to be named.

Leading biologists and chemists say they spend no time in the laboratory.

That's sounds like a physicist's interpretation of what a chemist is saying.

The chemist said he has been experimenting for several years with products based on beer.

"I will send it to your house this evening," said the chemist.

The chemist says, "Let's build a fire and heat the can first."

"I have learned the secrets of the atom," the chemist was saying.