First responders never know what they'll find when they get called to an accident site. Sometimes crews have to rescue dairy cows from collapsed barns, evacuate horses during wildfires or move pigs off the highway after an accident. These first responders often don't have the proper training to handle large animals.

NPR's Dan Charles has been looking into the problem of weeds that America's most widely used weed-killer won't kill anymore. It's a sneak preview of a story that will air later this week.

While Republican candidates continue to slug it out for their party's White House nomination, President Obama is getting a head start on the general election.

Obama's grassroots campaign is already hard at work with volunteers hosting house parties and staffing phone banks to find and mobilize the president's supporters. The campaign has opened five offices in Virginia, and that's not counting the basement of Sue Langley's house in the Washington, D.C., suburb of Vienna, where more than a dozen volunteers assembled this past weekend.

Have you ever splurged on a highly rated bottle of Burgundy or pinot noir, only to wonder whether a $10 or $15 bottle of red would have been just as good? The answer may depend on your biology.

A new study by researchers at Penn State finds that when it comes to appreciating the subtleties of wine, experts can taste things many of us can't. "What we found is that the fundamental taste ability of an expert is different," says John Hayes of Penn State.

It would be difficult for some people to let a stranger drive off with one of their most valuable possessions. But not for Stanford graduate student Katie Hagey.

Hagey is one of a growing number of individual car owners who have started renting their wheels to people they don't know through car-sharing startup companies resembling the better-known Zipcar.

In several hours of talks, President Obama and Israeli Prime Minister Benjamin Netanyahu seemed to have different timelines and red lines on the issue of Iran's nuclear program: Obama said he prefers diplomacy and pressure; the Israeli leader made clear his country reserves the right to attack pre-emptively, saying Israel must remain master of its fate.