RADIO CHOICE

NEMATODES, also known as roundworms, are astoundingly adaptable creatures. They can be found in deserts and mountains, deep in mines and even on the ocean floor. Geneticist Alison Woollard is fascinated by these organisms and joins Jim Al-Khalili on THE LIFE SCIENTIFIC (RADIO 4, 9AM, 9.30PM) to explain why she thinks they hold the key that could let humans have a happier and healthier old age.

DEAN ELLIS is a bright and ambitious young policeman, deeply committed to his work. It seems that everything is falling into place when he gets promoted and his personal life takes a happy turn. But then, fate and malice step in, and Dean finds he has been duped and his life is about to fall apart . . . Matthew McNulty

(pictured) stars as Dean in THE MARK (RADIO 4, 2.15PM), an intriguing drama based on a true story. LISTEN TO THE BAND (RADIO 2, 11PM) brings us coverage from Salford of the search for the winner of this year’s Radio 2 Young Brass Award as the prestigious competition reaches the semi-final stage. Frank Renton presents performances from the eight talented young instrumentalists who, backed by the Foden’s Band, have been playing their hearts out in the hopes of claiming this career-changing award.