The way Australians consume news has been changing for the past 30 years, ever since internet use became widespread.

Could a machine ever feel pain or pleasure? Could it have its own inner experience of the world? As artificial intelligence grows more fluent in conversation, reasoning and problem-solving, this question is migrating from science fiction to the lab. It is of particular interest to researchers probing the origins of consciousness.

Cats, dogs, wolves and other agile four-legged animals can easily jump and squeeze through tight spaces while moving at high speed. Reproducing similar agile motions and skills in quadrupedal robots has so far proved challenging.

For 30 years, the World Wide Web has run on a surprisingly profound social contract: Most sites are free for search engines to access, but if you use their content, you give credit by linking to the source.

The 1960s were a time of great change in technology, culture and politics. Television was radically altering the media environment, and nobody was quite sure how to think about it.