NPR's Philip Reeves, reporting on 'Morning Edition'
After rising sharply earlier today, European financial markets have come off their highs as investors "question the logistics of the $125 billion bailout of Spanish banks and wonder ... whether Monday's gains in financial markets were nothing but a relief rally," Dow Jones Newswires reports.
It's a little early in the program for a puzzle, but here's a trivia question for you: How much is an undecillion?
STEPHEN SHANKLAND: The number one followed by 36 zeroes. It's an awfully large number. It's also a trillion trillion trillion.
MARTIN: That's Stephen Shankland of the tech media website C-Net. He's been contemplating those kinds of numbers since the launch this past week of something called IPv6. It's the next generation Internet protocol. Shankland spoke to us via Skype.