Scientists are trying to settle the age-old question of nature versus nurture. To test it out, scientists experiment on ducks to help determine whether animals are born with no knowledge of the world and only learn things from experience, or whether they emerge with some knowledge already intact. Listen to hear how the experiment is done and what it can tell us about nature versus nurture.
Story Length: 1:50
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The study of genes is moving toward a new frontier. There is a new field studying microorganisms which exist in living organisms. Microbes control every process on earth, and a human is made up of 90% bacteria. However, we know very little about these microbes. There is now a newer, more efficient way, to study this bacteria. From this scientists can discover new species and genes. Listen to learn how the study of microorganisms became so important.
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To copy the way a desert beetle gets water, scientists have designed a membrane that can extract water from the air. Since all air contains water, even in the desert, this could provide a very inexpensive way to supply drinking water. This process is called “biomimicry,” or using ideas from nature to solve technological problems. This discovery could lead to reusable water bottles that refill themselves. Listen to learn why this invention would be inexpensive and how close scientists are coming to making it work.
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Toys play an important role in children's development. They are also important to animals, even elephants. This public radio story is about how artists designed and built toys of elephants that were based on animal behavior and their environment. You’ll be inside the zoo with the elephants, hearing their joy when playing with the new toys.
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From "Shiloh" to "Lassie" and "Old Yeller," young adult literature is full of stories about friendship between people and dogs. People love animals but what do animals feel? There is a debate in the scientific community and in popular culture about what emotions animals are capable of and how they display these emotions. Does recognizing that animals can feel take away from human emotion? Or does it help us recognize where these traits came from? This story discusses recent research on the emotions of animals. Listen to learn more about what researchers discovered, and the controversy surrounding the emotional lives of animals.
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