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Hurricane Katrina was in the making long before it struck land in August of 2005. A new IMAX film tells the story of Louisiana’s vanishing wetlands and their role in buffering storms.

Talks on Iran's nuclear program may have produced a deal that could ease Western fears that the Islamic Republic is out to create a nuclear bomb. The agreement could be the key to resolving the long-running dispute over Iran's nuclear program.

The damage man has caused to the environment is one of the recurring themes in the work of husband and wife photographers Shana and Robert ParkeHarrison. But instead of documenting environmental destruction, they combine performance, sculpture, and painting into surreal photographs featuring Robert as an Everyman character.

In addition to drooling and walking on all fours, both young infants and dogs sometimes ignore what they see with their own eyes and instead trust a human "teacher." Dogs may have evolved this trait to help them live with people, because, as a new study shows, their wolf relatives don't make the same mistake.

Can brain scans read your mind? If so, how should information about what you're thinking be used and who decides? Those are questions that scientists, ethicists, policy makers and average people are d

Many Americans will remember the election of Barack Obama as one of the most historic moments in our nation's history. It was one year ago today that the United States elected its first African-American president. We'll spend the hour discussing what President Obama has accomplished in the last year, and the major challenges he's faced in trying to achieve his goals for the nation.

Researchers in Germany say they have drawn up a map of about 60 percent of the genetic "letters" in the genome of Neanderthals. The map is expected to help reveal what genetic differences allowed humans to leave Neanderthals in the evolutionary dust.

Stem cell research offers great promise for people with incurable diseases. But promises won't help those who don't have time to wait for those medical breakthroughs. A man, dying of Lou Gehrig's disease, has gone out of the country in search of treatment.

Israeli diplomats have fled Egypt after an attack on their embassy in Cairo and were forced to leave Turkey after a diplomatic row. As Israel appears to lose its Muslim allies, many worry about possible repercussions on the peace process, Israel's security and the U.S. role in the region.

A popular blood test for prostate cancer is leading many men to get treated for cancer when the treatment might not make much of a difference, according to a study in the current issue of the Journal of the National Cancer Institute. The study's conclusions are in agreement with two earlier studies published last spring in the New England Journal of Medicine.