Nazanin Zaghari-Ratcliffe: Iran grants temporary release

British-Iranian woman jailed in Tehran more than two years ago has been temporarily freed to spend time with her family.
Also on the programme: ancient Lebanese cedar trees at risk from climate change. And scientists create a new computer tool that predicts how cancers may respond to drugs.

Image: Nazanin Zaghari-Ratcliffe reunited with her daughter Gabriella Credit: Free Nazanin