Considering the abuse the planet has endured it would come as no surprise if it suddenly shot arterial spray into the atmosphere but that hasn't happened quite yet. The bleeding I refer to is a different sort and is known as Blood Falls in Antarctica. Oddly enough instead of being a cause for alarm the blood is a sign of life. The briny iron rich liquid comes from a salty lake 1,300 feet below the ice where a bacteria colony lives on sulfur and iron. Normally sunlight would be needed to complete the oxidation but instead the energy is obtained from a reaction of the sulfur and iron. Scientists figure the colony to be around 1.5 million years old and are optimistic that it is a sign that life exists on ice caps in other parts of the universe.
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