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Day after day, workers at Michigan State University care for and feed colonies of evolving bacteria. The original microbes have produced more than 50,000 generations in the 25 years since the experiment began. Despite predictions the bacteria might someday reach a point where they would evolve no more, the results show they keep changing.

Two Nobel laureates disagree on a basic economic question: Is it possible to reliably spot bubbles before they burst?

Nervous over a steep spike in armed robberies, several Oakland, Calif., neighborhoods have pooled funds to hire private security patrols. And while some residents feel safer, others worry that there is no one policing the private police force.

Medicare has tied incentive payments and penalties to two-dozen quality measurements, including surveys of patient satisfaction and death rates. More than 1,200 hospitals are receiving bonuses. But more hospitals are being paid less for each Medicare patient they treat for the year that began Oct. 1.

After weeks of mounting calls to help Americans whose health plans were getting canceled, President Obama announced a fix on Thursday. People can retain their health coverage for a year, even if they've received cancellation notices. On Friday, members of the House are scheduled to vote on a bill that would allow people with individual plans to keep them for 2014.

The health care fix announced by President Obama on Thursday may be good news for some consumers, but it creates a big headache for insurance companies and regulators. An insurance industry trade group warns the last-minute change could destabilize the market and lead to higher premiums.

Novelist Gina Apostol grew up in Tacloban before moving to America. She has relatives in cities near Tacloban, who have been making their way to the shattered area to try to help other family members. She says her family worries about the law and order situation there.

It's the letter everyone's received. The one that says you've won $1 million but is actually about selling magazine subscriptions. But what if someone truly believed they'd won that million? And what if that individual was your cranky father and he insisted on going to prize headquarters to collect his money.

The president offered a fix for people whose insurance coverage has been canceled because it didn't meet the minimum standards of the federal health law. But will insurers follow through? And even if they want to, will state regulators let them?