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Parasites are creatures that live in or on a host animal. Some people dislike parasites because they can be slimy, and they often cause harm to their host, but they can also play a key role in supporting ecosystems. Now, climate change is threatening the survival of host animals such as elephants and polar bears, putting their parasites at risk, too. Listen to hear about the surprising life cycle of a flatworm and learn what scientists are doing to try to save important parasites.
Story Length: 2:37
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May 5, 2020
2:56
Snapping shrimp produce surprisingly loud noises by clicking their claws. The noises they make are so pronounced that they once led to a Navy investigation. Ocean warming is causing the snapping shrimp clicks to become even louder and more frequent. The increase in ocean noise from this and other human impacts can be disruptive to marine ecosystems where sound is important to survival. Listen to hear what snapping shrimp sound like and learn why their sounds might be helpful to some species and harmful to others.
Read MoreOctober 9, 2019
3:33
Would you be willing to wade into swamp water filled with bloodsucking worms? That is exactly what scientists did in order to learn more about leeches. Their efforts paid off when they discovered a brand new species of leech. Listen to hear how this recently discovered parasite uses its three jaws and why it is called a “medicinal” leech.
Read MoreSeptember 18, 2019
3:33
People have noticed more fireflies, or “lightning bugs,” than usual in Chicago this summer. In this story, a scientist who has been studying these insects explains why he thinks fireflies are currently thriving in the area, what this might mean for local ecosystems, and what can be done to help cultivate the firefly population. Listen to learn more about these popular summer insects and how they “light the way” in the ecosystems where they live.
Read MoreSeptember 20, 2018
2:27
Monarch butterflies are in danger. In addition to their beauty, monarchs contribute to the ecosystem by pollinating wildflowers and by providing food for birds, small mammals, and insects. However, Monarch caterpillars depend on the milkweed plant for food and there are fewer and fewer milkweeds for them to eat. Listen to hear what conservation scientists recommend as a solution to this problem that many people can help to put into action.
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