The standard piano keyboard is too big for 87% of women and 25% of men, limiting the range of pieces they can play. But how did pianos end up this size? Is it time we came up with an alternative? The Visible Women team investigates.

After learning shocking data about concussions in women's rugby, Caroline takes a closer look, and discovers an even more widespread and worrying issue. Domestic violence affects one in three women worldwide, and new research suggests many of these women may experience repeated concussions after violent abuse. Caroline meets the people working in this under researched area, and hears from a woman who is still recovering from her own experience.

In October 1975, the women of Iceland took a 'day off', leading to national chaos. It highlighted the importance of women’s roles in the economy, of which unpaid care work - cooking, cleaning, caring for family - is a vital part. In this episode, Caroline asks whether the Covid pandemic could be the shock we need to finally fix perhaps the greatest gender data gap of all.