Female wildlife rangers; Chief Inspector of Ofsted; Lady Boss: Jackie Collins story; Transgender athletes - a podcast by BBC Radio 4

The work of female rangers protecting wildlife from poachers. Collet Ngobeni of The Black Mambas and Holly Budge of How Many Elephants discuss.

The Chief Inspector of Ofsted, Amanda Spielman on the problem of sexual harassment and abuse in schools, and what needs to be done to bring about change.Jackie Collins was one of the most successful female authors of all time but often just dismissed as the Queen of Sleaze. We hear from Jackie's eldest daughter, Tracy Lerman and from Laura Fairrie, director of the new film Lady Boss: The Jackie Collins story.

Laurel Hubbard will be the first transgender athlete to compete at the Olympics. She's part of the New Zealand women's weightlifting team. She qualifies on the basis that her testosterone levels have been kept below a certain level for at least a year. But how does a reduction in testosterone affect other aspects of the body - such as muscle mass and strength? We hear from Joanna Harper, a PhD researcher at Loughborough University.

A new £50 note featuring the Bletchley Park codebreaker Alan Turing has just been launched. Debbie Marriott is the first ever female banknote designer at the Bank of England, and explains the work that goes into making the notes.Elizabeth Packard was an ordinary 19th century American housewife and mother of six, whose husband had her declared 'slightly insane' and put in an asylum after daring to voice her opinions. Elizabeth embarked on a ceaseless quest for justice, both inside and outside the asylum. Kate Moore has written 'The Woman They Could Not Silence' about this fascinating but little known woman.

Presenter: Anita RaniProducer: Dianne McGregor

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