Building a life form in the laboratory - piece by piece from DNA  building blocks - is as groundbreaking as it sounds.  See Presentation here
And this  is just what the American scientist, Dr Craig Venter, has announced on  Thursday evening. 
Dr Venter is the controversial scientist who famously developed a  "short cut" for decoding the human genome a decade ago. 
And the creation of his synthetic microbe is being compared with  Dolly the sheep in genetics, and Microsoft's operating system in  computing. 
"Synthetic life" is new science and a new technology rolled into one.  
The aim is to create a whole new biological toolkit - organisms with  artificially added DNA instructing them to exude cleaner oils, or novel  drugs or vaccines. 
Dr Venter has been promising this for years, and now that he has  succeeded we'll be hearing a lot about how he has "created life in the  lab". 
It's not quite that - not yet - but it's close. 
Dr Venter and his team built "Synthia", as their new life form is  nick-named by some, from snippets of DNA called "cassettes". 
But he is still relying on a naturally-occurring microbe to act as a  host - with its own DNA stripped out. 
Don't misunderstand me. What Dr Venter has done is incredible  science. I've already heard it described as Nobel prize-winning,  "landmark", work. 
But there is always an element of razzmatazz surrounding Dr Venter's  research that makes it harder to sift fact from hype. 
It will certainly raise the profile of a whole new field of science  Synthetic Biology - less than decade old. 
Filming at the Royal Society this morning - where coincidentally they  were hosting a meeting on 
Synthetic Biology, a portrait of Charles  Darwin gazed down the corridor towards the library. 
I wondered what he would make of the discussion among a couple of  dozen of today's brightest scientists and thinkers - gathered to ponder  the latest in Synthetic Biology. 
They are in no doubt that the potential is there for a new industrial  revolution. 
Dr Venter's microbe is just the start. Others will be inspired to  build on it. 
This is how Dr Venter sees his team's success: "This is an important  step we think, both scientifically and philosophically. It's certainly  changed my views of the definitions of life and how life works." 
But just as Dr Venter unveiled his work, the critics lined up to call  a halt. 
There are calls for a moratorium until society can better understand  the implications. 
And even some of the scientists who work in the field have told me  they worry that we lack the means to weigh up the risks such novel  organisms might represent, once set loose in the real world. 
Venter: Artificial living cell will benefit humanity
Dr Craig Venter, who told BBC Newsnight that it was a breakthrough that would benefit humanity. See interview here-----------------------------------------------------------------------------------------------------
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