. . . . . "Gene guns: Explores a United States Department of Agriculture laboratory where biotechnologists are altering the genetics of the barley plant. Explains what a gene gun is, how it works, and what the future looks like for changing the genetic heritage of living things in the 21st century." . . . . . "Biotechnology 3"@en . . "Genetic engineering: Explores the world of cloning, gene splicing, in-vitro fertilization, embryo adoption, and BGH. Features interviews with biologists, activists, and environmentalists." . "Biotechnology 3" . "Biotechnology three" . "See the inside of a U.S. Department of Agriculture laboratory where biotechnologists are altering the genetics of the barley plant. Explains what a gene gun is, how it works, and what the future looks like for changing the genetic heritage of living things in the 21st century."@en . . . . . . . . . . . . . . "Hawkhill Video." . .