On today’s show, more on why President Obama will participate in a special Q&A event on Tumblr where he will answer students’ questions about student loan debt. Plus, Cyrus Farivar, Senior Business Editor at Ars Technica, talks about Stingrays – devices that police use to track down cell phones by mimicking cell towers and collecting data from nearby phones. Finally, Stephen Cobb, an assistant research professor at the Johns Hopkins Information Security Institute, joins us to discuss the NSA collecting email address books from services like Yahoo and Facebook at a rate of more than 250 million per year.

On today’s show, Ben Howard, VP of Programming for Gamespot, with a preview of what to expect from this week’s E3 video game conference. Plus, Ariel Waldman, the founder of spacehack.org, talks about citizen science and how the tech industry is changing the scientific community. And hear more about a town in Pakistan that creates 80% of the world’s soccer balls.  A group of notable economists got together to use it as a laboratory to test how best to introduce innovation.

On today’s episode, Pai-Ling Yin from the Stanford Institute for Economic Policy Research talks about why Apple’s new Programming language, Swift, makes it easier and harder to be an app developer. Plus, we’re joined by Jenna Wortham, technology reporter for the New York Times, to play our weekly quiz on the week in tech: Silicon Tally

Do I detect a hint of sarcasm? On today’s show, Noah Smith, an associate professor of Language Technologies and Machine Learning at Carnegie Mellon University, talks about building a program that detects sarcasm. Plus, we visit Jim D’Addario, CEO of the D’Addario strings company, to talk about manufacturing technologies and the company’s new, super-strong guitar string  

Many patients want their personal information kept confidential — unless it can be used to help others. On today’s show, a look at new projects run by UC San Diego and the Robert Wood Johnson Foundation where personal health data could help the public good. Plus, Ryan Calo, a Law Professor at the University of Washington, talks about the European Union’s Public Private Partnership in Robotics. Last but not least, more on the pleasure and perils of wearing Google Glass in the real world.

On today’s show, we’re joined by Shara Tibken, a senior writer at CNET, to talk about Apple’s WWDC Keynote and what to expect from the company this fall. Plus, Dan Kaminsky, Chief Scientist at the security firm White Ops, talks about Operation Tovar – an international effort to root out the Gameover botnet that targets Windows PCs and mines them for financial and personal data. Also, a conversation about getting girls interested in STEM fields through gaming.

On today’s show, New York Times technology columnist Molly Wood joins us to talk about Apple’s World Wide Developers Conference. Plus, Nancy Kass, a professor at the Berman Institute of Bioethics at Johns Hopkins, on new technologies, medical research, and consent

On today’s show, Jonathan Zittrain, Professor of Law at Harvard and co-founder of the Berkman Center for Internet and Society, talks about the hacker Sabu and his deal with the federal government that got him out of prison. Plus, we’re joined by Adriene Hill to talk about the launch of LeanringCurve and retro tech in the classroom. And how well have you kept up with the week in tech? It’s time for Silicon Tally! This week, Ben takes on NASA engineer Bobak Ferdowsi, A.K.A. Mohawk Man.

With the White House hosting a summit on youth sports and concussions, we take a look at the money and technology going into equipment and tests that can help diagnose concussions almost immediately after a player is injured. Plus, Nancy Kass, a Professor of Bioethics and Public Health at Johns Hopkins University, talks about the issues surrounding medical research, consent, and new technologies. Also, meet the man who tracked computer use through all 456 episodes for the American crime drama Law & Order.