A flicker of light for the treatment of Alzheimer’s

AFTER ALMOST two decades, the FDA has granted conditional approval to a drug for the treatment of Alzheimer’s disease, called aducanumab. But the new drug, and its approval, is surrounded by controversy. Will the gamble pay off? Also, a clever upgrade to fog-collecting technology which could provide a water source in remote locations. And, potentially life-saving oxygen enemas? Kenneth Cukier hosts. Runtime: 24 min

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