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In Iraq and Afghanistan, a new type of military planning rooted in mathematics is key to the U.S. effort to combat IEDs, or improvised explosive devices. Military commanders are turning to the use of social network analysis to identify the key players responsible for the bombs.

Displays of joy erupted near the White House and ground zero in New York in reaction to news that Osama bin Laden had been killed. Some found the celebrations — even of the death of a widely hated figure — morally troublesome.

Two San Diego art promoters were selected by Ford Motor Company to promote a new car and handed a bundle of money to put on a concert featuring a local band. The result of this partnership is a Joel P. West and The Tree Ring concert at MCASD on Friday night. Here's how it all went down.

Time was that a Swiss bank account was synonymous with confidentiality and keeping assets from prying eyes. No more.

The December shooting massacre at Sandy Hook Elementary in Newtown, Conn., revived a national debate about gun violence. It's one that's emotional and often highly personal, and it's happening in places far from the halls of Congress. Earlier this week, President Obama was in Minneapolis advocating new limits on guns; no law or set of laws, he said, can keep children completely safe. NPR's David Welna was there for the visit and sent this reporter's notebook about the voices he encountered.

Scripps Glaciologist Helen Amanda Fricker was awarded the Muse Prize for Science and Policy in Antarctica for her work on sub-glacial lakes and remote sensing techniques. We'll talk to her about Antarctica, which she calls the most unobservable place in the world, and the work she's doing to detect changes in the ice sheet. We'll also find out about the iceberg, four times the size of Manhattan, which just broke apart from Petermann Glacier in Greenland and began drifting into the Nares Strait.

Airs Saturday, January 8, 2011 at 3 p.m. on KPBS TV

Zhang Yimou Goes Blood Simple

Researchers at a pair of San Diego-based life science organizations announced today the discovery of a molecule that converts stem cells into healthy heart cells, ending a 15-year hunt.

This camp trip is special for foster children, because they are reuniting with their brothers and sisters who are in different foster homes.