The death cap mushroom is one of the deadliest poison fungi on earth. Few effective treatments are available. But a team of Chinese and Australian scientists say they've made a leap forward.

The African crested rat's fuzzy fur has hairs loaded with a poison that can purportedly fell an elephant. But these rats turn out to be social, affectionate creatures.

The 44-year-old fell ill last month on a domestic flight in Russia. German doctors confirmed he had consumed a Soviet-era nerve agent.