Never mind aliens in outer space. Some scientists believe we may be sharing the planet with ‘weird’ lifeforms that are so different from our own they’re invisible to us.
Across the world’s great deserts, a mysterious sheen has been found on boulders and rock faces. These layers of manganese, arsenic and silica are known as desert varnish and they are found in the Atacama desert in Chile, the Mojave desert in California, and in many other arid places. They can make the desert glitter with surprising colour and, by scraping off pieces of varnish, native people have created intriguing symbols and images on rock walls and surfaces.
How desert varnish forms has yet to be resolved, despite intense research by geologists. Most theories suggest it is produced by chemical reactions that act over thousands of years or by ecological processes yet to be determined.
Mind blown. This is fascinating. Almost lovecraftian.
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