I'm noticing news drops on medical issues for the past couple of weeks:
https://www.sfgate.com/science/article/Stanford-scientists-wire-magnet-cancer-tumor-cells-13082346.php#photo-15880206
https://theconversation.com/a-new-blood-test-could-detect-early-stage-melanoma-in-more-than-80-of-patients-100084