SAN FRANCISCO (AP) - Instagram users could soon notice something different in their feeds: Instead of showing users the most recent posts first, the mobile photo-sharing app says it will give higher priority to posts that each user is likely to care about most.
WASHINGTON (AP) - Prescription painkillers should not be a first choice for treating common ailments like back pain and arthritis, according to new federal guidelines designed to reshape how doctors prescribe drugs like OxyContin and Vicodin.
NEW YORK (AP) - When New York City public schools began giving students report cards on their weight a decade ago, officials hoped the information would help fight an obesity epidemic in the nation's largest school system. But a new study finds being labeled fat doesn't spur weight loss, at least among students near the threshold for being flagged.
ANCHORAGE, Alaska (AP) - Mushers pressed their dog sled teams closer to the finish line in Alaska's famous Iditarod on Sunday after a snowmobiler intentionally rammed into two top competitors, killing one dog and injuring others, authorities said.
PALM BEACH, Fla. (AP) - Hundreds of protesters, many farmworkers, led by Ethel Kennedy, demonstrated near the home of Wendy's fast food chain's chairman in hopes of convincing the company to pay a penny-per-pound fee for its tomatoes to supplement some farmworkers' wages.
MONTPELIER, Vt. (AP) - Zia Gbau, who came to Vermont as a refugee from the Republic of Congo, suffered a serious stroke last year and was unable to work for several months. Without money, his truck fell into disrepair, and he got two tickets for an expired inspection sticker.
MIAMI (AP) - Florida Sen. Marco Rubio was among the Republican Party's biggest stars when he burst onto the national stage in the tea party wave of 2010. Now, he is facing a home-state showing on Tuesday that could devastate his 2016 presidential campaign and damage his political brand for years to come.
BLOOMINGTON, Ill. (AP) - Showing few signs of trying to ease the nation's tense political atmosphere, Republican front-runner Donald Trump is standing by his antagonistic campaign rhetoric, rejecting any responsibility for violence at his rallies and defending his supporters who have been charged with assaulting protesters.
MIAMI (AP) - Abandoning the nasty insults of past debates, Donald Trump and his Republican rivals turned Thursday night's presidential face-off into a mostly respectful but still pointed discussion of Social Security, Islam, trade and more. Trump shook his head and declared at one point: "I can't believe how civil it's been up here."
FAYETTEVILLE, N.C. (AP) - A white Donald Trump rally attendee was charged with assault Thursday after he was caught on video hitting a black man being escorted by deputies from the venue, authorities said.