"Things You Wouldn't Know If We Didn't Blog Intermittently."
26 June 2012
Lake Retba (Senegal)
Remember the photo of the potash mining ponds? Here's a similar process occurring naturally in a lake in Senegal, where high levels of salt support the growth of a halophilic extremophile (Dunaliella salina) which produces a red pigment, turning the salty water pink.