Study says too many invasive heart tests given

Study says too many invasive heart tests given

A troublingly high number of U.S. patients who are given angiograms to check for heart disease turn out...

Doctors urged to rethink repeat C-sections

Too many pregnant women who want to avoid a repeat cesarean delivery are being denied the chance...



Everglades plan may sink Crist's Senate hopes

Gov. Charlie Crist's grand plan to revive the dying Florida Everglades by buying back the land, a key part of his legacy, could be on...

Chronicle 3.11.10 4:00 AM

Lone, lovelorn wolverine baffles scientists

A lone wolverine discovered in California almost 90 years after the species supposedly went extinct here is apparently searching for a...

Chronicle 3.9.10 4:00 AM

High court to rule on federal background probes

The U.S. Supreme Court agreed Monday to decide how far the government can go in looking into the backgrounds of NASA scientists and...

Chronicle 3.8.10 5:14 PM

Exploratorium gets $90 million to prep for move

The Exploratorium, San Francisco's innovative hands-on science museum in the Marina, has received two anonymous gifts totaling $90...

Chronicle 3.9.10 4:00 AM

Chile gets tough on post-earthquake looters

The officers came with bullhorns to impoverished neighborhoods near the epicenter of Chile's devastating earthquake, warning looters...

Chronicle 3.8.10 4:00 AM

Study sheds new light on Mammoth Mountain's age

Beneath the 12 feet of snow that cover the ski slopes of Mammoth Mountain this winter, the tumbled rocks and restless ground tell a...

Chronicle 3.8.10 4:00 AM

Aftershocks curb searches in Chile

A father's unanswered cry for his missing son rang out Saturday from the wreckage of a fallen 15-story apartment building that has...

Chronicle 3.7.10 4:00 AM

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