Scientists in Canada were working at an experimental research farm, testing crops like corn and barley. But packs of Canada geese had been swooping in and destroying the crops. Two border collies were hired to chase away the geese.

The late Indian leader Mohandis Gandhi, who became known as Mahatma, or venerated one, had an appendectomy decades ago. Afterward, doctors took samples of his blood. Two microscope slides bearing that blood are being auctioned in London.

When news of Yahoo's purchase of Tumblr first hit, Tumblr users took their reactions online. The posts were quirky and sharp with plenty of worry about the future.

IRS and Treasury officials can expect a hard time in their appearances on Capitol Hill Tuesday. A key question that so far has not gotten much attention: How did it come to be that social welfare organizations became vehicles for political activity?

In Italy, the youth jobless rate is nudging 40 percent, a record high in post-war history. Demographer Stefano Rosina says the Italian welfare system has always been skewed toward the middle-aged and elderly, leaving Italian youths with no political or trade union representation.

Tim Cook will address reports that his company pays billions less than it should in U.S. taxes each year at a Tuesday hearing in Washington. According to a report by the Senate Permanent Subcommittee on Investigations, Apple avoids the tax payments by shifting profits to subsidiaries in Ireland.

In Tampa, Fla., Tuesday, JPMorgan Chase holds its annual shareholder meeting. They will vote on a key measure: Whether to strip CEO Jamie Dimon of his title of chairman of the board. A growing number of companies have split the CEO and chairman roles.

It's been a difficult night for rescuers in the Oklahoma City suburb of Moore. Crews have been digging through what's left of neighborhoods searching for survivors after Monday's deadly tornado.

The kids competed in "The Secret Millionaire's Club" — an entrepreneurial contest tied to a web and cable series featuring a cartoon Warren Buffett. Thousands competed. Eight of them, ranging from age seven to 16, got to meet Buffett and present their ideas.

A massive tornado ripped through the southern suburbs of Oklahoma City Monday. In the city of Moore, two elementary schools were destroyed in the twister. The mayor there owns a jewelry store. He and his employees took shelter in a vault.