Episode 16: 04/16/2013 : Tech Nation- WW-II Japanese Super-Sub

On this week's Tech Nation, Moira speaks with
John Geoghegan , whom you may know from his PBS
documentary Japanese Supersub, Japanese surprise underwater aircraft
carrier.
Then on BioTech Nation, biotech uses your own tissues to repair
everything from chronic wounds to sports injuries to heart attack
and stroke, and on BioIssue of the Week, David Ewing Duncan tells us
about the latest in the saga of the immortal cells of Henrietta
Lacks.