Former Nasa scientist wants to create a new breed of SUPERHUMANS by 'helping people genetically modify themselves' using DNA injections (and he's even tried them on himself)
- Dr Josiah Zayner, 36, is the first person known to have edited his own DNA
- The biochemist attempted to give himself super strength using gene therapy
- In a new interview, Dr Zayner said humans are 'slaves to the genomes we have'
- He claimed humanity will develop into a new species thanks to widespread genetic engineering