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Nutrition researchers are pushing for a big increase in the daily recommended dose of Vitamin D. Dozens of recent studies suggest that deficiencies of the vitamin make people more vulnerable to everything from fractures to certain cancers and diabetes.

A magnitude 8.0 earthquake struck early Thursday near the South Pacific nation of Tonga, prompting tsunami warnings for as far away as Fiji and New Zealand. The warning was lifted after a tsunami of less than 2 feet was recorded.

More than 80 people are dead in the Egyptian resort of Sharm el-Sheik after a series of bombings early Saturday. At least two of the explosions are believed to be the result of car bombs. Hotels and a market were targeted.

The House of Representatives approves an $82 billion supplemental spending bill that also seeks to impose new restrictions on state-issued driver's licenses. The package is a compromise worked out with the Senate, which is expected to add its approval next week.

James Doohan, who immortalized the character of chief engineer Montgomery Scott on Star Trek, died Wednesday at the age of 85. During World War II, the actor, born in Vancouver, served as a captain in the Canadian Forces and led men into battle on D-Day. He passed away at his home in Washington State.

Richard Bernard Moore is the first prisoner in South Carolina to face the choice of execution methods since the state made electrocution the default and gave inmates the option to face rifles instead.

New reports from the Pew Hispanic Center conclude that low-income Latino students are the most segregated, ill-served group in the country's public high schools. The reports detail high school conditions for Hispanic students in the United States.

States have been asked to increase accessibility of baby formula for recipients of the low-income program. And the Food and Drug Administration is looking at ways to make it easier to import formula.

Circumstantial evidence is mounting that wild birds are carrying the H5N1 virus along major migratory pathways. The virus has been linked to ducks moving through Europe's Danube delta. Though no solid proof exists so far, concern is growing that these ducks could play a role in creating a flu pandemic.

Hurricane Dennis gathered strength overnight as it moved north in the Gulf of Mexico. The full force of the storm is expected to hit the U.S. mainland along the Florida, Alabama and Mississippi coast Sunday afternoon. Sandra Averhart of member station WUWF in Pensacola, Fla., talks to guest host Sheilah Kast about evacuation efforts.