Scientists are combing the universe for signs of exoplanets -- planets that orbit a star other than our sun. They're finding them in record numbers. Most believe it's only a matter of time before they find an exoplanet that can -- and perhaps does -- suppport life. Sara Seager is a planetary scientist at M.I.T. and one of the pioneers of the field.
Intelligent. Optimistic. Curious.
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In a small studio in Brooklyn, one artist is reimagining selfies. Erin Riley finds online self-portraits and transforms them into larger-than-life tapestries. The woven women don’t have faces… but they do have stories.
Tariq Ramadan has been called the Muslim Martin Luther King. The Swiss philosopher travels widely trying to build bridges between European Muslims and conservative clerics...
Robin Hemley talks with Steve Paulson about the Tasaday, the alleged Stone Age tribe discovered in the 1970s in the Philippines, and later denounced as a hoax.
Why does dancing - or just watching other people dance - feel so good? Correspondent Frank Browning checks in with dancers and neuroscientists.
Tim Richardson tells Anne Strainchamps about his favorite candies from around the world.
Wangari Maathai triumphed over discrimination and tribalism in her native land and became an environmental activist, planting trees all over her country.
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