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Genetically, at least, not that much has changed in the billion years since you two last shared a relative. Roughly half the 500 genes yeast need for life are interchangeable with the human versions.

Filibusters were once reserved for the gravest existential issues. Rand Paul's long hours Wednesday were about liberty, the Constitution and the need to stand out in a field of presidential hopefuls.

Lt. Gen. Abdul Raziq has imposed control on the city where the Taliban were born. He's been praised by the U.S. and the Afghan leadership, but his forces have also been accused of human rights abuses.

Doug Hughes flew into Washington, D.C., on something resembling a hybrid bicycle and helicopter. He did it to protest money in politics, but he could face up to a decade in prison. He has no regrets.

In some counties in the South, almost 20 percent of adults have severe vision loss. And those communities are also likely to be among the nation's poorest. Lack of regular eye care is just one issue.

Ophthalmologists and cornea specialists have raised concerns about the lenses, citing studies and their own experiences treating children and teens who developed eye infections after wearing them.

Douglas Mark Hughes faces up to 9 1/2 years in prison. He was arrested after his April 15 flight from Gettysburg, Pa., to Washington, and has been under house arrest since then.

Answering the call of nature in the open is all too common when families don't have other options. But now the country has its first zone that's free of open defecation.

In veiled conversations, some doctors may explain to dying patients how to hasten death. But overwhelmed families are left with profound questions and the feeling that no one can answer them.

Prosecutors say clerics accused the couple of burning a page of the Quran and helped incite a mob to incinerate them in a brick kiln.