NPR Staff

Rhino poaching is on the rise. The animal's horn is believed to have medicinal properties, and some say legalizing the trade could help squelch the black market. One controversial way to reduce poaching may be rhino ranches, where the horns are harvested for sale.

Kansas holds its GOP caucuses on Saturday. But not all the candidates are making appearances there.

This spring, Les and Scott GrantSmith will mark their 25th wedding anniversary. The couple raised two daughters along the way. But 15 years ago, they hit a crisis that nearly broke the family apart. They solved it by embracing a unique approach — and each other.

More than a century ago, the Union's USS Monitor sank off the coast of Cape Hatteras, N.C. Ten years ago, searches uncovered the remains of two of its sailors. Now, officials are hoping their descendants will recognize their facial reconstructions and finally bring the sailors home.

In a final day of campaigning before Super Tuesday, Republicans Mitt Romney and Rick Santorum focused on the economy in Ohio, the most sought after prize of the 10 states voting or caucusing. A week ago, Santorum had a substantial lead in Ohio polls; now he's in a statistical dead heat with Romney.

Ohio is one of 10 states holding contests to pick their party's presidential nominee on Super Tuesday. The conventional wisdom has been that whoever takes Ohio in the general election goes on to win the White House, which makes the state the main focus of attention for GOP candidates.

Republicans in 10 states vote on Super Tuesday next week, and the general election battleground state of Ohio may be the most coveted prize. Both Mitt Romney and Rick Santorum are pushing hard for the state, where 63 delegates are at stake.

When Grant Coursey was a toddler, he was diagnosed with neuroblastoma, a cancer often found in young children. A tumor had wrapped itself around his spinal cord and was pushing against his lungs. It took three surgeries, but Grant is cancer-free.

Russia is planning a Kalashnikov assault rifle redesign that would target the military market. But after 60 years of heavy use by armies, rebels and gangsters, the market may be saturated.

Rick Santorum tried to outflank Mitt Romney on a fairly sensitive issue in Detroit: government bailouts. Santorum blasted Romney for supporting the government's Wall Street bailout while loudly opposing the auto industry bailout.