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In the US - but increasingly in other countries too - cold case murder, sexual assaults, and unidentified person cases once thought unsolvable are being cracked thanks to the proliferation of public genetic databases. But with this success come deep worries for our DNA data. Ivana Davidovic talks to Brett Williams, the CEO of Verogen - the owner of GEDMatch consumer DNA database - about their business decision to cooperate with the police, privacy concerns and new opportunities opening up in countries like Mexico and Vietnam. We also hear from Tina Franke, whose daughter Christine Franke was murdered in Florida in 2001. She speaks of her relief at the unexpected progress in the investigation after almost two decades. Professor Andrew MacLeod tells us about his project - in conjunction with King's College London - to harness forensic genealogy to identify perpetrators of sexual violence in the aid industry. And law professor Natalie Ram explains the pioneering legislation being brought in the US state of Maryland designed to regulate the industry much more tightly.PHOTO: Forensic scientist collecting evidence/Getty Images

In Africa, malaria is far more widespread than Covid-19 - so what would it mean to African economies if it was eliminated? We speak to the man whose team in Oxford devloped an effective vaccine for the disease. Mice have overrun parts of Australia ruining crops and testing sanity. We learn about the effect this plague of rodents is having on the rural economy. We hear why Amazon has bought the iconic MGM Studios - and what it means for both Amazon customers and cinema lovers. Plus, our reporter heads to San Francisco to hear how the city’s Chinatown has coped with both Covid-19 and an increase in anti-Chinese race hate crime. As shops are boarded up and tourists stay away, what plans are there to rejuvenate this historic area? Business Weekly is presented by Lucy Burton and produced by Matthew Davies.

Not everyone can be special, so should we embrace our mediocrity?In a programme first broadcast in August 2016, Manuela Saragosa investigates the appeal of being average. She talks to mediocrity advocates and bloggers Krista O'Reilly-Davi-Digui from Alberta in Canada, and Mark Manson in the US. But what happens when whole societies embrace mediocrity at the expense of excellence? Italian philosopher Gloria Origgi explains the concept of "kakonomics'" - the economics of being bad.(Picture of men holding balloons via Getty Images)