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.