Podcast Episodes
Back to SearchPablo Escobar's Hippos Could Endanger Colombian Ecology
Hippos that escaped from drug kingpin Pablo Escobar’s private zoo are reproducing in the wild. And with increasing numbers, they could threaten ecosy…
6 years ago
Wasp Nests Help Date Aboriginal Art
Art created by Australian Aboriginal people used organic carbon-free pigments, but wasp nests above or below the art can be used for radiocarbon dati…
6 years ago
Industrial Revolution Pollution Found in Himalayan Glacier
Ice cores from a Tibetan glacier reveal the first deposits of industrial revolution pollution, starting in layers dated to about 1780.
6 years ago
Fight-or-Flight Nerves Make Mice Go Gray
A new study in mice concludes stress can cause gray hair—and credits overactive nerves with the change in hue. Karen Hopkin reports.
6 years ago
Espresso May Be Better when Ground Coarser
A very fine grind can actually hamper espresso brewing, because particles may clump more than larger particles will.
6 years ago
Feral Dogs Respond to Human Hand Cues
Most feral dogs that did not run away from humans were able to respond to hand cues about the location of food—even without training.
6 years, 1 month ago
Neandertals Tooled Around with Clams
Neandertals ate clams and then modified the hard shells into tools for cutting and scraping.
6 years, 1 month ago
Fingering Fake Whiskeys with Isotopes
Whiskeys claimed to be from the 19th century are revealed to be made with much more recently grown barley, thanks to the unique isotopic fingerprint …
6 years, 1 month ago
Having an Albatross around Your Boat
By outfitting 169 albatrosses with GPS data loggers, scientists were able to track fishing boats apparently trying to hide their location. Christophe…
6 years, 1 month ago
Science News Briefs from All Over
Here are a few brief reports about international science and technology from around the world, including one from the Democratic Republic of the Cong…
6 years, 1 month ago