With an aggressive mass-murder-then-compost strategy, these tiny plants are the most heinous of herbs.

Sea urchins are making a meal of south-eastern Australia’s rocky reefs and kelp forests. Can they be stopped?

Under the sea it isn’t all relaxing whale noise. The sound of the reef creatures is actually more like a percussive static with some grinding teeth on rock thrown in.

The underwater sounds in this creek near Brisbane are like an eclectic jam session.  There are sweet beetles (that sing), lonely bugs (on percussion), fishy grunters (think Jay-Z) and a punk-rocking rakali that just trashes the joint. This musical soundscape is the PhD homeland of eco-acoustician Emilia Decker.

Vanessa thought 'it's ok, the people are safe... It's ok, the house is safe...' But nothing prepared her for returning home.