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Microbes can thrive in extreme environments, from inside fiery volcanoes to down on the bottom of the ocean. Now scientists have found a surprising number of them living in storm clouds tens of thousands of feet above the Earth. And those airborne microbes could play a role in global climate.

A manhunt is underway in Southern California for a former LAPD officer considered armed and extremely dangerous. Christopher Dorner is suspected of killing three people. Dorner was fired from the force in 2008 and vowed revenge.

Everyone from the Vikings to 18th century British sailors swore that a pint of spruce beer kept away scurvy. While that may not have really worked, you, too, can capture the essence of your Christmas tree in a glass.

The urgency of taking action on climate change couldn't be higher, according to commentators Asim Zia and Stuart Kauffman. New laws and incentives at all governance levels, however, could trigger an economic transformation that would ensure climate security.

President Obama is spending a few days this week pushing his State of the Union message in cities across the country. He began the tour in North Carolina on Wednesday talking about manufacturing and the return of factory jobs.

Under pressure from the New York state comptroller — who oversees one of its largest shareholders — the doughnut chain has agreed to set a goal of using only 100 percent sustainable palm oil to make its doughnuts. Production of palm oil has caused serious deforestation in Indonesia.

Early March is when Yosemite National Park officials would normally be gearing up for the busy tourist season. Instead, they're figuring out how to cut $1.5 million from their budget because of the recent sequestration that forced across-the-board cuts. The National Park Service must now cut $134 million from sites around the country.

Next year, just over 200,000 Native Americans will become eligible for Medicaid under the Affordable Care Act. The change translates to more money for the Indian Health Service. The expansion will also force Native American health providers to deal with something they've never faced before — competition from non-tribal health programs.

Bananas are the most popular fruit in America, and demand is growing worldwide, too. But growing bananas requires a lot of pesticides. And a new study shows that some of those chemicals are ending up in caimans living downstream from banana plantations in Costa Rica, where many of the bananas that Americans eat are grown.

Portions of Bellview, Colo., are entirely cut off by flooding. Resident Mark Benjamin has been helping neighbors by rigging a zipline across floodwaters to transport supplies. He talks with Steve Inskeep about the condition of Bellview's roads — and what it will take to rebuild them.