During Olimpic games (many news in Spanish languaje, see), many articles about Toxicology UpToDate: 1) Eurosurveillance Rapid communications: ciguatera in the Canary Island, Spain; 2) Self-illuminating polymers with the ability to home in on toxic prions and render them harmless; 3) A terminal uranium nitride compound create which is stable at room temperature and easy to stored; 4) Prevalence and clinical characteristics of chemical intolerance in primary care clinic patients; 5) WHO: diesel engine exhaust causes lung cancer in humans; 6) A research to understand how superweeds obtain resistance to the popular herbicide glyphosate; 7) Australia: Rhinella marina`s poison usefull against itself; 8) Latrodectus geometricus may be displacing the black widow spiders that are native to California; 9) The case of 18 insect species across four orders, that developed resistance to cardenolides.We recommended: 1) Lead poisoning from hunters’ bullets still threatens California condors; 2) Deadly threat to weasel-like fisher: Rat poison from illegal marijuana growers in California; 3) A PNAS article about brain anomalies in children exposed prenatally to chlorpyrifos. Until next number. JCP