They're desperate to get out of Central America and enter the U.S. -- undocumented immigrants seeking a better life for themselves and their families. They show up on the nightly news in political battles about where to house them and...
Zoos play a major role in preserving and protecting the animals that call them home. But during the past few years, the Maryland Zoo in Baltimore had to scrape and claw to fight off its own extinction. The zoo's president and CEO joins us in the studio to reflect on its recent challenges and explore where it fits into the fabric of the Mid-Atlantic region.
The Natural Trap Cave in Wyoming may hold specimens of DNA from animals who roamed thousands of years ago. Julie Meachem, a paleontologist leading the expedition into the cave, speaks with Audie Cornish about the secrets she hopes to find.
Dr. Christine Harris co-authored a study that examined whether dogs exhibit jealous behavior, hoping to see if jealousy is an emotion unique to humans. Audie Cornish asks Harris: Does it take complex cognitions to trigger the emotion?
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