[BGHater]

'carbon dioxide to produce fuel.' Dunno about the specifics of the life form, I would hope it wouldn't get out or is safe outside in our environment. I hope they know what they are doing.

[Richard Kimball]

I actually thought of Deep Space Nine and the Jem Haddar. They were genetically designed to die if they didn’t receive a constant supply of some kind of drug.

[rockinqsranch]

It’s possible that we may be in real Tribble.