Damage to water supply infrastructure and catchments during and after bushfires inhibits the treatment processes that normally make our water safe to drink.
Pyroclastic flows are biggest danger in these eruptions.
Fountains of lava from Hawaii's Kilauea volcano are dramatic, but the most deadly impacts of volcanic eruptions are toxic gases and ash and mud flows.
How do scientists predict volcanic eruptions? To do so with accuracy, they need to know the individual volcano and its history very well.
Beeches are 'non-native' to Scotland because they got there less than 7,000 years ago. No, really.