Farm-raised fish have typically been fed wild-caught fishmeal, but now a new vegetarian fish food is available. Transcript of the Audio Podcast: A new diet for the farmed fish on your dinner plate …on this CurrentCast. The farm-raised fish found at grocery stores were typically raised on food pellets made from small fish like anchovies. …
Permanent link to this article: http://www.currentcast.org/uncategorized/vegetarian-fish/
Sep 18
Estuaries
These areas, where fresh and saltwater mix, provide many economic, recreational and biological benefits. Transcript of the Audio Podcast: Where the river meets the sea … on this CurrentCast. Estuaries form along the coast in partially enclosed areas where freshwater from rivers or streams mixes with saltwater. They’re known by many names, including bays, lagoons, …
Permanent link to this article: http://www.currentcast.org/uncategorized/estuaries/
Sep 15
Using GPS to Track Water Levels
GPS stations can detect drought by measuring when the earth’s crust lifts or depresses. Transcript of the Audio Podcast: A surprising discovery from GPS technology…on this CurrentCast. In the western United States, a network of highly precise GPS stations measure the movement of tectonic plates – collecting data about possible earthquakes. Scientists have discovered, quite …
Permanent link to this article: http://www.currentcast.org/uncategorized/using-gps-to-track-water-levels/
Sep 14
Preserving Freshwater Fishes
River pollution has decimated many freshwater species, but one group is restocking them as the rivers are restored. Transcript of the Audio Podcast: Fish in troubled waters…on this CurrentCast. Streams in the southeastern U.S. hold an incredibly diverse population of freshwater fishes, mussels, snails, crayfish, insects, and amphibians, but runoff from human activity on land …
Permanent link to this article: http://www.currentcast.org/uncategorized/preserving-freshwater-fishes/
Sep 10
Mapping Coral Reefs
A new project is using Google’s street view technology to map the world’s coral reefs. Transcript of the Audio Podcast: Dive into the ocean from your computer…on this CurrentCast. Working with Google’s Street View, experts developed a 360-degree camera system mounted on an underwater scooter to record images as never seen before. In a five …
Permanent link to this article: http://www.currentcast.org/uncategorized/mapping-coral-reefs/












