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After serving in the Korean War and flying over 200 models of aircraft as a test pilot, Neil Armstrong used his experience to gently guide the lunar lander onto the untouched surface of the moon before making those first historic steps. He died last week, at age 82.

Reporting in Science, researchers write of sequencing the genome of a young Denisovan girl--an archaic human distantly related to Neanderthals and modern humans. Geneticist David Reich discusses the tale the genome tells about the Denisovan people and their interactions with modern humans.

Harvard University is investigating 125 students for possible cheating on a final exam last spring. An investigation showed that nearly half the students in an undergraduate government class may have collaborated or plagiarized on a take-home test. If confirmed, it would be the largest cheating scandal at the university in recent memory.

Our panelists predict what'll finally make Republicans and Democrats get along.

Crist served as a Republican governor, but during a Senate run, he fell out of favor with conservatives.

Republicans called their convention to order, then quickly went into recess. Tropical storm Isaac has interfered with their schedule. They're not wasting time, though, in hitting what will be a familiar theme: That the national debt is soaring.

Things that most people take for granted in surgery — the use of anesthesia, for example, or the way surgical tools are cleaned — were once cutting-edge discoveries in the profession. Dr. Atul Gawande and Dr. Sherwin Nuland discuss the changes they've seen over their long careers as surgeons.

Women in Afghanistan are, in general, better off today than when the Taliban ruled. But activists say there has been backsliding on the gains of the past decade. And as the international community plans its drawdown, activists worry that the government won't do its part to protect women.

Mormon food culture comes from spiritual teachings and the pioneering ways of a new religion in a new country as it evolved westward. Knowing more about it may provide some insights into the personal beliefs of GOP presidential candidate Mitt Romney.

An experiment that paired sounds with smells suggests basic forms of learning are possible while snoozing. The key seems to be a phenomenon known as conditioning — a form of simple learning made famous by Ivan Pavlov and his dog.