Antarctic Lake Serves as a Rare Modern Analog to Ancient Ecosystems
05/23/2023
Antarctica's lake Untersee provides a peek into the past and a preview of life on Mars. As Dale Andersen descends with his tether to study the lake's bottom, its real uniqueness shows—countless conical stromatolites like a vast parking lot full of traffic cones. The one-to-two-foot-high cones have been formed over eons, layer by sub-millimeter layer, by a consortium of cyanobacterial species dominated by a genus called Phormidium.
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