Woman's Hour

For over thirty years Dr Suzanne Simard has done ground-breaking research on plant communication and intelligence. She is Professor of Forest Ecology at the University of British Columbia and the author of a gripping scientific memoir, Finding the Mother Tree, in which she reveals the highly complex ways trees interact and communicate. Suzanne joins Jessica in the studio.As the Russian invasion of Ukraine continues, around 660,000 refugees, most of whom are women and children, have now fled Ukraine to neighbouring countries in the past six days. That's according to the latest data from the UN Refugee Agency.  They say Europe could face it’s largest refugee crisis this century. Many have fled to Poland where they have been welcomed in cities like Warsaw. But while many countries are opening their arms to refugees, the charity CARE International UK is warning that women and girls can be particularly at risk during widespread displacement in war situations, as they can face exploitation while trying to reach s