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Air Date: Wed, Apr 10, 2019 9:00 PM
A remote, bleak speck of rock in the Pacific, Easter Island, or Rapa Nui, has mystified the world ever since the first Europeans arrived in 1722.
Air Date: Wed, Aug 26, 2015 9:00 PM
Diseases that were largely eradicated in the United States a generation ago – including whooping cough, measles and mumps – are returning, in part because nervous parents are skipping their children’s shots. Go around the world to track epidemics, explore the science behind vaccinations and discover the risks of opting out.
Air Date: Wed, Jun 24, 2015 8:00 PM
Today, researchers are discovering that some creatures have mastered skills purportedly restricted to humans. Many are bird brains.