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Ecologist and "natural security expert" Rafe Sagarin thinks our systems for dealing with natural disasters and terrorist attacks need to be updated. The best place to turn for advice? Other organisms.

An investigative journalism project concluded that New Jersey led the nation with the toughest government accountability laws and enforcement while Georgia had the dubious distinction of being ranked last.

Dick Cheney, 71, was in a Virginia hospital following a heart transplant Saturday. Host Laura Sullivan talks with NPR's Rob Stein about the former vice president's health.

Egypt's presidential voting starts May 23, and two of the leading candidates are Islamists. One is a leader of the Muslim Brotherhood, and the other was recently kicked out of the group.

Increasingly angry about Chinese rule, a small but steadily growing number of Tibetans are choosing to protest by setting themselves on fire. Many Tibetans say they admire such actions — support that experts say means more such protests are likely.

A new analysis of TV ads so far this election cycle finds that 70 percent of the messages have been negative — a trend spearheaded by the heavily financed superPACs supporting the candidates. At this point in the 2008 election, 91 percent of TV ads were positive.

The California city has the worst traffic congestion in the nation, according to INRIX which makes systems that handle traffic data. L.A. has been trying to address its gridlock by syncing traffic lights and expanding its subway and light rail

Fewer Americans are buying cigarettes these days, but smokeless products like e-cigarettes are on the rise. They're not regulated like other tobacco products, but the FDA warns that day may yet come.

Security Council members voted to impose tough new financial and trade restrictions on Pyongyang in hopes of halting its nuclear program.

Richie Havens had a long career as a musician, but he's still most famous for one set he played to hundreds of thousands in New York in 1969.