Kepler-452b revolves around a sun much like our own.
May 18, 1987|
It sounded like an experiment that was all a molecular biologist could hope for. It had a noble purpose (the protection of nutritionally important fruits and vegetables), it was of great scientific elegance and theoretical interest, and it was perfectly safe. It went like this. Take a common saprophytic bacterium, present in food, water and soil, and remove one of its 200-odd genes. Grow the organism in pure culture, spread it on plants that are harboring the wild type, and PRESTO! the massive