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Scientists wince when people blame every big tropical cyclone, heat wave or drought on a shifting climate. But now some are trying to figure out just what the evidence for such a link would be.

How better ratings can help students make better decisions.

Robert Siegel talks with Peter Westmacott, British Ambassador to the U.S., about Scotland's unsuccessful vote for independence and what changes may result throughout the U.K. because of the campaign.

Some of the loveliest cities hug great rivers: Cairo on the Nile, Paris on the Seine. Baghdad's lifeblood is the Tigris. After years of war, commuter boats and even a rowing club ply its waters again.

Two big matchups kick off Saturday in the second round of NFL playoffs. NPR's Tom Goldman updates Scott Simon on the latest, on-field and off.

Inmates in the U.S. have a high rate of infection with chronic hepatitis C — up to 35 percent or more by some estimates. New drugs introduced this year can cure the disease quickly, but at a cost.

Scientists are growing mock organs made of human cells to better study diseases and help test drugs. Researchers at Johns Hopkins are working on a gut-on-a-chip.

Keeping blood sugar under control reduces the risk of early death for people with Type 1 diabetes, a study finds. But keeping that tight control can be hard, even for people with good health care.

Some companies are using surveys or brain games to assess what kind of workers candidates are. Employers say the tests can help reduce turnover and surface talent recruiters might otherwise overlook.

Legend has it that a Chinese emperor first discovered tea more than 4,700 years ago. As the culture surrounding tea has changed through the centuries, so, too, have the tools we use to drink it.