The residents of Australia's Northern Territory share their land with one of the deadliest predators on the planet — the saltwater crocodile. A government program called "Be Crocwise" is doing its best to keep the peace.
The Great Artesian Basin, which provides drinking water to many communities in the Outback, comes to the surface nearly boiling and stinking of rotten eggs, yet it is a life-giving resource in an unforgiving environment.
Australia's koala population has been hit hard by two rapidly spreading diseases: chlamydia (a sexually transmitted infection) and a retrovirus similar to HIV. Scientists are working to develop vaccines, while lay citizens help care for sick koalas.
Discarded chewing gum is a common eyesore, and removing it from city streets and sidewalks can be costly. A Mexican congressman wants to solve the problem by borrowing a concept widely used in environmental regulation: making the polluters pay.
A French professor of art and music contends that ancient cave paintings were part of music-filled rituals. Reporter Ari Daniel Shapiro visited a cave with the French professor and an American skeptic.
The answer to today's Geo Quiz is the northernmost state in Costa Rica: Guanacaste. Reporter Ari Daniel Shapiro reports on new research into the musical "call and response" patterns of birdcalls in Costa Rica's Santa Rosa National Park.
A Rutgers University team launches an underwater robotic glider. RU27 is zigzagging under the sea, collecting data on water temperature and salt levels to give scientists clues about the impact of climate change on the ocean.
We're looking for the name of a large island in the Pacific northwest. The Queen Charlotte Strait separates this 300-mile long island from mainland BC. At the northern end of the island is God's Pocket Marine Provincial Park. Scuba divers flock there.