On this week's Tech Nation, Dr. Moira Gunn speaks with:

RICK SMOLAN
Photojournalist and Author, The Human Face of BIG DATA

Then on BioTech Nation:

DR. JEFF STEIN
President and CEO, Trius Therapeutics
.. a new kind of antibiotic ..

And on BioIssue of the Week with David Ewing Duncan:

.. how science can build a better you ..

On this week's Tech Nation, Dr. Moira Gunn speaks with:

KEITH DEVLIN
NPR’s Math Guy
Author, “The Man of Numbers: Fibonacci’s Arithmetic revolution”

Then on BioTech Nation:

MICHAEL ZHANG
16-year-old high school junior
Participant, 2011 International BIO Gene-ius Challenge
.. A Better treatment for Cystic Fibrosis ..

And on BioIssue of the Week with David Ewing Duncan:

.. David publicly releases his full genome ..

On this week's Tech Nation, Dr. Moira Gunn speaks with:

VIJAY VAITHESWARAN
China Business & Finance Editor, The Economist
Author, “Need, Speed and Greed: How the New Rules of Innovation Can transform Businesses, Propel Nations to Greatness, and Tame the World’s Most Wicked Problems”

Then from the the UK, it's the "Cool and Clean" mission. Guests include:

ERIC BAKKAN
Vice Consul, UK Trade and Investment, San Francisco,

SANDRA SASSOW
CEO & Co-Founder, Seab Energy
.. the Muckbuster technology ..

CHRISTOPHE WILLIAMS
CEO & Co-Founder, Naked Energy
.. tubular solar panels ..

On this week's Tech Nation, Dr. Moira Gunn speaks with:

DR. ERIC TOPOL
Director, Scripps Translational Science Institute
Author, “The Creative Destruction of Medicine: How the Digital Revolution Will Create Better Healthcare”

Then on BioTech Nation,

JEN GORDON
Partner & Head of the Life Sciences Practice
The Law firm of Baker Botts

.. intellectual property in the age of personalized medicine ..