08-04-2011, 12:24 PM
A treadmill's good too 
Nanos have lots of potential. they might even be able to remove contaminants from people's lungs, which is too delicate a job for typical surgery.

Nanos have lots of potential. they might even be able to remove contaminants from people's lungs, which is too delicate a job for typical surgery.
PS. If you can, try your hand at giving some of the others a bit of feedback. If you already have, thanks, can you do some more?
