Your mobile phone can reveal whether you have been exposed to radiation. In accidents or terror attacks which are suspected to involve radioactive substances, it can be difficult to determine whether people nearby have been exposed to radiation. But by analysing mobile phones and other objects which come in close contact with the body, it is possible to retrieve important information on radiation exposure. Ref. Source 2v.
Wearable 'microbrewery' saves human body from radiation damage. The same way that yeast yields beer and bread can help hospital lab workers better track their daily radiation exposure, enabling a faster assessment of tissue damage that could lead to cancer. Source 6c.