They lie slumbering during the brutal winter, but once the sunlight warms enough to soften their crystallised world, the algae spring awake, making use of the meltwater and sunlight to rapidly bloom. These microscopic green algae (we'll get to why they look red in a moment), a type of single-cellular seaweed, are common in all icy and snowy regions of Earth, from the arctic to alpine regions. "Our scientists have identified them under a microscope as Chlamydomonas nivalis," said the National Antarctic Scientific Centre of Ukraine in a Facebook post. For such an epic mess, the culprits behind this dramatic redecoration are incredibly tiny. Marine ecologist Andrey Zotov from the National Academy of Sciences of Ukraine, captured these images while conducting research at the Antarctic station.
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