A fascinating (and lengthy) story about a killer lake in Cameroon. In August 1986 approximately 1800 people living around Lake Nyos died overnight after being suffocated in an enormous explosion of CO2 that had been accumulating in the base of the lake.

Related posts:

1. Largest island in a lake on an island in a lake on an island
2. Long, fascinating post by Dan Hill on the design, production and content creation for the online component of Monocle magazine.
3. It turns out
4. Salt