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Science correspondent Allan Blackman looks at new research into metformin, a diabetes drug that's showing promise in slowing aging.
He'll also talk about how a drug being misnamed in a clinical trial had a cascading - and concerning - effect.
And how a company's decision to produce The Beatles also helped fund research that led to the creation of the CT scan.
Allan Blackman is a Professor of Chemistry, School of Science, Auckland University of Technology.
