American casualties are on the rise in Afghanistan. That's putting U.S. military doctors and nurses to the test. We hear from chief nurse Major Kenny Harriman, who works at a front line surgical hospital in Afghanistan.

Taliban resurgence

This week, the People's Republic of China celebrated its 59th birthday. Correspondent Philip Martin reports on the continuing perks of Communist party membership in an economically transformed China.

The free Internet communications tool Skype has come under fire this week. Turns out that the company's Chinese partner has been filtering Skype text messages for words deemed sensitive by the Chinese government. And of more concern, it's also storing those messages. Anchor Marco Werman has details.

The World's Jason Margolis tells us what presidential candidates John McCain and Barack Obama have said about their respective positions on energy reform and how they plan to address global warming.

Anchor Marco Werman speaks with Ray Kopp, an economist with the thinktank Resources for the Future, about the impact of the financial crisis on the next president's efforts to reduce carbon emissions.

Our daily geography quiz.

Britain's National Archives today declassified documents that reveal what the BBC would have broadcast to citizens in the event of a 1970s nuclear attack. The World's Alex Gallafent has details.

Today's answer is Markneukirchen, Germany - a town in Saxony, Germany and home to the original founder of the C.F. Martin Guitar Company. This year marks the 175th anniversary of the company. Anchor Marco Werman speaks with Martin's great-great-great-grandson, Chris Martin IV.

When Spanish collides with English, the result is Spanglish. It's a language that comedian Bill Santiago knows well. So much so that he's written a book called "Pardon My Spanglish." Anchor Marco Werman speaks with him.

Sorry we missed you last week, but here goes. We've got news about Skype being surveilled in China. We also talk about the importance in telecommunications in UN relief efforts in Haiti. Then we check out a South African built electric car, complete with photovoltaic panels on the roof. We'll also give a tip of the wing to FusionMan, Yves Rossy, and talk mouse DNA.

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