Scientists from the University of Waterloo studying how rubies are formed discovered the residue of a microorganism inside a 2.5 billion-year-old gemstone. The team found a ruby that contained ...

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

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