Dipteryx trees in Panama survive lightning strikes, grow taller, lose rivals, and reproduce more successfully.

Powerful winter storms which led to deaths and power outages in the UK and Ireland were made more likely by an intense swirling vortex of winds miles above the Arctic, say scientists.

Multiple people are killed each year due to falling trees during storms or other weather, but there is no good record of the exact number. Here's why it happens, and what you can do to stay safe.