Fear is the main source of superstition,
and one of the main sources of cruelty.
To conquer fear, is the beginning of wisdom.
- Bertrand Russell (1872-1970)
Looking at lichen. Again.
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The oldest living lichen, a map lichen, is estimated to be 9,500 years old.
The lichens, like the mosses, grew here hundreds of millions of years
before ...
4 hours ago
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