Are humans hard-wired to forgive? Psychologist Michael McCullough's research traces the evolutionary roots of forgiveness and revenge.
Intelligent. Optimistic. Curious.
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Dean Hamer says that human beings are hard-wired for belief and are genetically pre-disposed to reach beyond their own limitations.
Contemplating the multiverse is mind-blowing, but if you want a truly earth-shattering controversy in physics, you have to go back 500 years to Copernicus' radical theory. Dava Sobel tells his story.
Alissa Quart Recommends Elena Ferrante's "Days of Abandonment" and Elizabeth Hardwick's "Sleepless Nights."
Ayaan Hirsi Ali may be the world’s most famous critic of Islam. Born a Muslim, Hirsi Ali fled to the Netherlands where she eventually became a member of Parliament...
Physicist Michio Kaku's Dangerous Idea? A virtual "library of souls."
Erin Gruwell and two of her former students talk with Judith Strasser. They describe the hostile situation in their school in Long Beach, California, and Miss Gruwell’s solution.
A researcher stumbles on a key to rapid evolution in this story by Jeff Bauer.
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