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Correction: Study Links Smoking, Pancreatic Cancer

Dinosaur DNA: Is the Race Finally Over?

Women Drinking Alcohol: When Less Is More

Nerve-Guiding Molecules That Can Do It All

Brain Study Finds Possible Word Center

Ulysses Finds Surprise at Sun’s South Pole

X Rays Yield Sharp, Microscopic 3-D Images

Tamoxifen Trial Resumes

Smokers Who Quit Will Breathe Easier

Are Indoor Gases Sickening Microcircuits?

Twirling Ribbons, Billowing Bubbles

Reflections of Clinical Reality