India, Aug. 29 -- Technology to create 'mirror life' does not exist yet, and it may be quite some time before humankind cracks it, but the potential destruction it could bring is so enormous, that scientists are already calling for a ban before it is too late.

John Glass, synthetic biologist, who helped make the first living cell with a synthetic genome, wrote in Financial Times some days back "We should choose not to build mirror life and pass laws to ensure nobody can. The question is not whether we are able to prevent this threat - it is whether we will act while we still can."

'Mirror life' involves synthetic organisms that have DNA structures mirroring those in known organisms. For life forms on earth, the DNA double-helix is right...