Episode 31 - October 8, 2007
b'Hyped-up hopes for hairy roots as biofactories. How targeting the body\\u2019s sugars could improve the treatment of bone diseases. Using human urine as a safe, inexpensive fertilizer for food crops. A new device that cleans up the air by capturing and storing carbon dioxide. Why Norway\\u2019s icy waters may be a \\u2018liquid goldmine\\u2019 in the quest for new drugs.'