Synopsis

Volcanologists predict that Yellowstone volcano will erupt again, yet there is uncertainty about when this will be.

Further Information

Similar broadcast resources

Sahara sand storm | Ocean Giants

Deserts are shaped by violent sand storms, forcing animals who live there to adapt.

The rain frog, at top speed, can cover around 38 metres in one night. Not surprising for a frog the same size and shape as a marshmallow.