Watermelon snow sounds like it would be harmless — and maybe even cute. In reality, it's the opposite. Watermelon snow, also known as snow algae, pink snow, red snow, and blood snow, is a species of algae called Chlamydomonas nivalis. This algae is accelerating the rate at which glaciers in the Arctic are melting. It is sweet-smelling, pink-tinted, and thrives in snow. But the most dangerous part about watermelon snow is that is decreases the reflectivity (known as albedo) of snow. Without a high albedo, snow reflects less sunlight, thus absorbing more heat and melting faster. We've collected some awesome videos on this topic. Watch them now to learn more.
Written by Curiosity Staff July 11, 2016
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