This week, we catch up with the latest from the front line of cancer research. Kat Arney reports from the National Cancer Research Institute's annual conference, we find out how proton therapy is promising for targeting tumours and look at the hormones and stem cells involved in breast cancer. Also, the role of aspirin in the 1918 Spanish flu epidemic, how recession could be healthy and tuning in to the Earth's vibrations. Plus, in Kitchen Science, we show you how to see using sound!