The phrase 'mate for life' might have romantic connotations for humans, but the reality of such a relationship for the long-lived Australian Magpie involves turf wars, potential sex on the side and the possibility of a step-parent bringing up your kids if you get too aggro.

It is estimated that 8 million tonnes of new plastic debris enters the world’s ocean every year.

Armed with a detector that sounds like a synthesiser with the flu, and a very small pick, Off Track goes bush to try to strike gold.

Juliet leans over the balcony and ponders the information implicit in the genus and species labels of binomial nomenclature.

The first man to stand on the top of the world never saw a mountain until he was 16 years old. When he hit 33, Edmund Hillary found himself on top of the highest point on earth: the summit of Mount Everest.

With one leaf, one potato-like tuber and one flower when the time is right, the Yellow-lip Spider-orchid is one of the rarest plants in Australia. It is also sexually deceptive.

With more canals than Venice, Queensland’s Gold Coast is a highly altered environment, where remnants of untouched vegetation are few and far between. Yet, tourists still flock there seeking to experience nature first hand among the theme parks, high rises and nightclubs.

Not human politics, but rather how cows relate to each other, the internal herd structure and, in turn, what they might think of us.

It's an in international tourist destination as well as a place of significance for traditional owners. So who should get to walk up Uluru? Would you?