Some of the world's oldest rubies linked to early life

While analyzing some of the world's oldest colored gemstones, researchers from the University of Waterloo discovered carbon residue that was once ancient life, encased in a 2.5 billion-year-old ruby.

Deep bedrock mineral veins are microbial graveyards

Research in recent years has revealed that microorganisms inhabit fractured rocks of the continental and oceanic crust to depths of several kilometers, and that they have done so for millions of years. In a new study published ...

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