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Former Vice President Al Gore went to Capitol Hill on Wednesday to testify about the effects of global warming. He went face to face with global-warming critics in the Congress and told them that they need to act quickly, or the nation's grandchildren will pay the price.

Last May, Sidney Ribeau became the 16th president of Howard University, a leading historically black college in Washington, D.C. Ribeau talks about his new post and responds to criticism that historically black colleges and universities (HBCUs) are no longer relevant.

Should students who participate in extra-curricular activities like the yearbook or theater have to consent to random drug testing in order to participate? Tom Fudge finds out about the mandatory rand

Sen. Larry Craig says he is not gay and did nothing inappropriate in a Minneapolis airport. The Idaho Republican said it was a mistake for him to plead guilty to misdemeanor charges stemming from a lewd conduct complaint.

In his final term as Arkansas governor, GOP presidential candidate Mike Huckabee shed more than 100 pounds. After winning the battle against obesity, he says he's up for anything — including taking on better-funded, higher-polling rivals.

In Russia's Kamchatka Peninsula, a group of American fly fishermen and Russian scientists work to protect one of the world's last remaining strongholds of wild salmon, steelhead and trout. NPR's Elizabeth Arnold reports.

Giant camels, massive tortoises and sabertoothed cats lived in the Anza-Borrego Desert region about 7 million years ago. Host Tom Fudge speaks to editors of a book that chronicles 7 million years of e

Today's markets, restaurants and bakeries offer a wide array of food choices for people with special dietary needs or personal preferences. In this month's Food Hour, we'll talk about baking and buying delicious vegan, gluten-free and sugar-free foods.

Should amateur and professional soccer players wear some kind of head protection to prevent against concussions? We speak to several experts about the frequency of head injuries in soccer, and about the arguments for having players wear some kind of head protection.

Wintering in the South Pole, when the temperature drops to 100 degrees below zero and the sun doesn't appear for months on end, creates camaraderie and some craziness.