Russian researchers in Antarctica are on the verge of piercing a hole through two miles of ice into an ancient lake, untouched by the light of day for some 20 million years. But it'll be a delicate process to break through without disturbing the pristine waters. Guest host David Green speaks with Antarctic researcher John Priscu about the process.
Rosalind Picard specializes in something called affective computing. She designs technology that can measure and communicate human emotion. Her work started with autistic children, and from there, she moved on to using computers to assess people's emotional connections to brands.
The social network filed to go public earlier this week and is hoping to raise $5 billion in a huge IPO. The markets are buzzing, but what might it mean for an individual investor? Melissa Block gets the story on how high profile IPOs work from Dennis Berman, Marketplace editor at The Wall Street Journal.
Unmanned Aerial Vehicles (UAVs) are replacing boots on the ground in some wars. Commercially, UAVs are being used for things like crop-dusting and flood mapping. Experts discuss advances in drone technology and how to address legal and privacy concerns that stem from their use.
An IPO filing provides a window into wealth. In the case of Facebook, the wealth will likely be enormous and spread across hundreds if not thousands of early investors and employees. The number of millionaires and billionaires in Silicon Valley grew noticeably Wednesday.
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