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I had been at KPBS barely a month when I was given a directive to focus on teen violence. More specifically, to plan an event that could help young people learn ways to handle aggressive behavior. With no other instructions, and little knowledge of how to achieve this, it seemed to be a very tall order. I had a bare-bones budget and a lofty goal. Yet somehow this event happened in a big and meaningful way.

The debate over whether or not to raise San Diego’s sales tax may be dividing the city, but it’s bringing two prominent politicians together.

Next month, the people of Southern Sudan will choose whether to break up Africa's biggest state and create the world's newest nation. Much is at stake, including most of Sudan's oil reserves and -- potentially -- peace in one of the continent's more volatile countries.

As President Barack Obama prepares to enter a second term, he faces a host of foreign policy issues. Syria presents an immediate crisis, China poses a strategic challenge and tensions with Iran continue to escalate.

Summertime ice in the Arctic Ocean has been in quick retreat. There's a lot of uncertainty about how quickly it will melt away entirely in the summertime. Estimates range from 2013 to beyond 2100. The uncertainty is explained by the science behind the phenomenon of melting.

NASA experts are working with a group of San Diego teachers to craft lessons at their inner-city school. KPBS reporter Ana Tintocalis has more.

Culture Lust contributor Randy Dotinga is an avid reader who's made the switch from hardcovers to reading entire books on his phone. Dotinga makes the case for reading on a tiny, hand-held screen.

The pea aphid, a tiny bug that comes in shades of red and green, is the first known critter in the animal kingdom to create its own color compounds, or carotenoids. Other animals get their color by eating various colorful plants. But aphids are able to produce their own because they stole DNA from fungi long ago.

Why are geeks the new chic? And how will they dominate the world? We'll talk with the author of "The Geeks' Guide to World Domination" to find out how you can empower your inner geek.

Imagine what your life would be like if your days were as immersed in nature as they are in technology. That's a question and challenge posed in Richard Louv's new book The Nature Principle. the new book THE NATURE PRINCIPLE. It's not an anti-technology argument, but rather a suggestion that our urban, high-tech lives are missing something crucially important. Encounters with nature enrich humans in ways we don't even fully understand yet...and those encounters are rapidly disappearing. IRichard Louv's new book, The Nature Principal: Human Restoration And The End Of The Nature Deficit Disorder, expands on his thesis that our society has developed such faith in technology that we don't realize how human capacities are enhanced through the power of the natural world.