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Vaccines are expensive and time-consuming to develop and there's no guarantee the investment will ever pay off. This means promising vaccines often sit in laboratory freezers during major epidemics.

A small study being presented at the American Academy of Neurology meeting in Miami suggests that treating Alzheimer's patients with a type of antibody may halt or even reverse progress of the degenerative disease.

Sen. Bill Frist joins forces with church leaders over judicial filibusters. The Senate Majority leader delivered a videotaped message during an event organized by conservative Christian leaders.

Federal Reserve Board Chairman Alan Greenspan says a combination of the current deficit and the unpredictable aspects of health care entitlement programs could put future federal budgets on an "unsustainable path."

When another earthquake shook Indonesia Monday, the United Nations, Red Cross and other humanitarian groups quickly responded. U.N. emergency relief coordinator Jan Egeland discusses how he directs the flow of billions of dollars of aid money into the disaster-struck region.

Eric Rudolph pleads guilty to four bombings, including one at the 1996 Olympics in Atlanta and another at an abortion clinic in Alabama. The plea allows Rudolph, who eluded authorities for more than five years after the attacks, to avoid the death penalty in exchange for life in prison.

A trial for five former executives of Enron's Internet technology division begins Monday in Houston. They are charged with artificially inflating stock prices in 1999 by lying about the company's broadband Internet network's capabilities and benefiting from selling their own stocks.

Forecasters in the Energy Department do not anticipate a break from sky-high gasoline prices this summer, with prices expected to average $2.28 a gallon between now and September. Beyond the gas pump, shippers and manufacturers are also being affected by high crude oil prices.

Despite recent publicity over government-produced news, the U.S. Department of Agriculture continues to crank out such programming for local radio stations. A look at journalistic independence and the government's involvement in local radio broadcasts.

The next pope will be elected at a conclave of 115 Roman Catholic cardinals scheduled to begin Monday. Piety and politics mark the days leading to the conclave, as cardinals consider who among them is a plausible candidate to follow John Paul II.