There's a big molecule, a protein, inside the leaves of most plants. It's called Rubisco, which is short for an actual chemical name that's very long and hard to remember.

Guest: Bruce Chassy.

Some people continue to worry about both the environmental impact and potential health effects of biotech foods. But are these crops really so different from those we've grown in the past? Will they help us meet the growing demand for food? Today on Focus, we're joined by Professor of Food Science Bruce Chassy to discuss the dafety of bioengineered crops.