Barbara Strauch, science editor at The New York Times, reveals new research suggesting our brains are at their smartest in middle age. In her new book The Grown Up Brain: The Surprising Talents of the Middle-aged Mind, she also gives some handy tips and tricks to keep our minds healthier for longer.

Rebecca Hill heads to the Royal Society in London to meet James Gleick. He was speaking at an event to promote his new work The Information: A History, a Theory, a Flood.

Plus, another of our unanswerable mind benders in this week's Hannaford question. David Eagleman gets a little cryptic.

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