-
The lava dome of Mount Merapi, Yogyakarta, Indonesia. Photo: Gani Pradana Ongko Prastowo / Getty Images Volcanos Warn Trees Around Them Before Erupting, and NASA Can See It
Trees soak up volcanic gas, and, almost like Mood Rings, begin changing colors in response.
-
Keow Wee Loong treks into the Kawah Gunung Ijen volcano.
