Journalism nonprofit ProPublica has produced a series of reading guides on 2012 presidential candidates. As well as this guide to Texas Gov. Rick Perry they've also covered Congressman Ron Paul and Rep. Michele Bachman .

A bio-art project to create bulletproof skin has given a Utah State researcher even more hope his genetically engineered spider silk can be used to help surgeons heal large wounds and create artificial tendons and ligaments.

Journalism nonprofit ProPublica has produced a series of reading guides on 2012 presidential candidates. As well as this guide to Congressman Ron Paul they've also covered Texas Gov. Rick Perry and Rep. Michele Bachman .

Journalism nonprofit ProPublica has produced a series of reading guides on 2012 presidential candidates. As well as this guide to Michele Bachman, they've also covered Texas Gov. Rick Perry and Congressman Ron Paul.

WASHINGTON (AP) -- America is swiftly becoming a granny state. Less frail and more involved, today's grandparents are shunning retirement homes and stepping in more than ever to raise grandchildren while young adults struggle in the poor economy.

EXETER, N.H. (AP) -- Despite a new rival's surge, Mitt Romney is campaigning as though he's still the GOP presidential front-runner, focusing his criticisms on President Barack Obama, taking few risks and keeping most proposals vague enough to leave ample maneuvering room.

BUXTON, N.C. (AP) -- A nightmare Hurricane Irene barreled toward the Eastern Seaboard on Thursday, sending thousands of vacationers fleeing and threatening up to 65 million people from the Carolinas to New England.

WASHINGTON (AP) -- Americans are plenty angry at Congress in the aftermath of the debt crisis and Republicans could pay the greatest price, a new Associated Press-GfK poll suggests.

NEW YORK (AP) -- Americans eager to give after the 9/11 terrorist attacks poured $1.5 billion into hundreds of charities established to serve the victims, their families and their memories. But a decade later, an Associated Press investigation shows that many of those nonprofits have failed miserably.

WASHINGTON (AP) -- Singles, take note: With marriages at an all-time low, states in the South and West rank among the highest for couples hearing wedding bells. But many of these states also have higher rates of divorce.