Residue found in 2.5 billion-year-old ruby linked to ancient life

We know the earliest life that appeared on the surface of our planet wasn’t complex life as we know it today. Rather, ancient life would’ve been much simpler than humans, plants, and various animals. Scientists have made a very interesting discovery while analyzing some of the oldest colored gemstones in the world. A research team from the University of Waterloo … Continue reading

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