Opinion

USA China relations

It will take skilled diplomacy for Australia to keep both China and the US happy, but it is important to do so.

Mars mission

From solar sail-powered spacecraft, to laser communications, to asteroid detection systems, there is no shortage of Australian ideas and expertise to help NASA explore the Moon and Mars.

mining

Australia cannot distance itself from moral responsibility for emissions from exported fossil fuels.

Nepal forest

Himalayan villages are growing food in the forests, a traditional model that can fight both land clearing and world hunger.

internet speed test

The mess made of National Broadband Network was entirely predictable. Politicians forgot three basic lessons from economics.

male chest

How embryos develop, evolution and sexual pleasure all help explain why men have nipples. But ‘man boobs’ are a different story.

sad child

Indigenous children are admitted to out-of-home care at 11 times the rate for non-Indigenous children. The lack of safe housing for mothers fleeing family violence is a key factor.

The Strait of Hormuz.

States can’t pick and choose when to invoke international law for protection on a particular issue and then ignore, contravene or decry it on other matters.

Climate change rally

Mass strikes help target the psychological factors most important for acting on climate change, by emphasising social norms and reinforcing the effectiveness of collective action.

Singapore housing

A coordinated mix of policies does more to keep housing affordable for a significant proportion of a city's residents than the unbalanced approach we see in Sydney.

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