Scientists and cruise operators are fighting the impacts of tourism in Antarctica—with the help of tourists themselves.
When it breaks down, poop from king penguins releases nitrous oxide—a gas that affects both the environment and the scientists who study it.
In 2000, Rodney Marks died suddenly from methanol poisoning in a remote research station in Antarctica. Nearly 20 years later, the circumstances surrounding his death remain a mystery.
Antarctica is one of the last pristine places on Earth. The only problem? The scientists and tourists who travel there keep defecating.
The sound was impossible to hear until recently.