“A new strategy to produce low-cost sensors that allow ultrasensitive detection of ultraviolet radiation (UVR) by the naked-eye is described in Nature Communications this week. The sensors, which are paper-based and wearable, could enable users to manage the impact of UVR on their daily lives.”
The workplace relevance of such a device should be obvious – far more obvious than the wording of the


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Every man is aware of his penis and scrotum from a very early age. Male genitals do not feature often in discussions about occupational health and safety (OHS) but there was a workplace incident in the United States around 1970 that gained considerable attention but not really from the OHS perspective. I have always thought this incident would be a useful case study for discussing how this scenario would be managed today.