Scrapping state governments would centralise power in Canberra and increase region-based factionalism, argues John Quiggin.
The time has come to end the complex and expensive Australian federal system of governance and evidence shows the community may well support it, writes Bede Harris.
Academics need to make greater efforts to build public trust in their expertise or they will continue to be ignored by a community increasingly contemptuous of "elites", writes UniSA law professor Rick Sarre.
A new scientific paper shows plants can "learn" via classical conditioning, raising potentially troubling philosophical questions, writes Prudence Gibson.
Australians are used to the vulgar antics and empty point-scoring that pass for debate in federal parliament. But little could have prepared them for the current descent into pure farce, writes Joseph Camilleri.
Battery storage is attracting all of the headlines, but there is a cheaper option to store power from the grid, writes energy expert Roger Dargaville.