Writer and activist Natasha Walter joins Nuala to discuss her new, very personal book, Before the Light Fades: a memoir of grief and resistance. One day in December 2017 Natasha's mother Ruth took her own life. Natasha overwhelmed, by grief and guilt starts to look back through Ruth's history, trying to understand how her life led to this death.

Last week scientists in America announced that they have taken an important step in understanding the human genome- our genetic blueprint- by decoding the Y chromosome which is passed from male parent to male offspring and determines biological sex and fertility. Professor Chris Barratt, head of Reproductive Medicine at Ninewells Hospital and the University of Dundee Medical School explains the implications of this research in relation to male infertility.

Next to Normal is a Pulitzer prize-winning production currently on stage at the Donmar Theatre in London. At its heart Diana Goodman is a suburban wife and mother living with bipolar and haunted by her past. We speak to actor Caissie Levy playing Diana and birder and environmentalist, Mya-Rose Craig whose recent book Birdgirl talked about the impact on her and her family of having a mother with the same diagnosis.

Presenter: Nuala McGovern

Producer: Lucinda Montefiore

Opener 00:00

Rape 01:20

Natasha Walter 10:32

Y Chromosome Breakthrough 22:23

Bipolar Mothers 30:19