For today's Geo Quiz we were looking for the common theme that connects Australia's coastal region "The Great Sandy," North Korea's Mount Myohyang, and Lagunas de Montebello, near the border between Mexico and Guatemala. The answer is....they are all newly deemed 'biosphere reserves.'

Mexico's violent drug cartels didn't simply pack up and go home when the H1N1flu arrived. In fact they're just as active as before. The World's Lorne Matalon reports that the government has once again stepped up its attempts to beat back the cartels.

Lorne Matalon's Mexico stories

We hear from Hector Zapata, one of the owners of a beach club on the Mexican island of Cozumel, about how the H1N1 / swine flu scare in Mexico has affected the tourism business.

Anchor Lisa Mullins tells us about the new release from Marie Daulne, the alter-ego for Zap Mama.

North Korea's recent nuclear test has received condemnation from around the world. But North Korean residents themselves make of it? Despite the difficulties of investigating inside a closed society like North Korea's, a Japanese magazine called 'Rimjingang' managed to get a glimpse behind the facade, helping a few brave people to film inside North Korea. BBC correspondent Roland Buerk went to Osaka to meet the man behind the project, Jiro Ishimaru.

North Korea's strategic arsenal

Today on The World: What Egyptians think about President Obama's planned speech next week; Also, what the 1973 Yom Kippur War has to do with neuroscience; Plus, Italy's premier bicycle race reaches the top of a volcano.

President Obama is planning to deliver a highly anticipated speech to the Muslim world in Cairo next week. Aya Batrawy reports on what Egyptians are hoping to hear from Mr. Obama.

Anchor Marco Werman speaks with Shibley Telhami, who holds the Anwar Sadat Chair for Peace and Development at the University of Maryland. His department recently released its latest survey of public opinion in the Arab world.

Anchor Marco Werman speaks with The World's Science correspondent David Kohn about his conversation with science writer Jonah Lehrer. They talked about the science of decision-making, using the 1973 Yom Kippur War as an example.

General Motors' European operations are scrambling to find a buyer ahead of a possible bankruptcy proceeding in the US. More than 50,000 people work at GM plants throughout Europe. The World's Laura Lynch has the story.

Global economic crisis