Dr Heather Williams is a medical physicist working for the NHS and head of ScienceGrrl, an organisation trying to inspire more girls to study science.

BBC: State schools 'failing girls who want to study physics'

If someone who knew how to make a filter had a conversation with someone who knew a lot about cancer and with someone who read the medical literature like a physicist, then maybe you could come up with a cancer treatment.

NEWYORKER: In the Air

New figures on background radiation levels recorded 60km northwest of the Daiichi power plant have also been released this week by Japanese physicist Tsuneo Konayashi from Fukushima Medical University.

BBC: Fukushima fallout fears over Japan farms