Blood Falls

Scary name, right? But it’s just glacier melt water in Antarctica flowing over iron deposits. And there are microbes still “living” in these glaciers after millions of years. Microbes that

“..metabolize organic matter in the water by using sulphate to facilitate reduction of iron in the bedrock — the same iron that helps produce the rusty color of Blood Falls when the water from the subglacial pools reaches the snout of the glacier.”