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A magnitude 7.5 earthquake took place on February 25, 81km southwest of Porgera, Papua New Guinea. US Geological Survey

The science of landslides, and why they’re so devastating in PNG

Why is Papua New Guinea so susceptible to landslides? Steep terrain, earthquakes and aftershocks plus recent seasonal rains have created an environment that is prone to collapse.
Sugar is sugar in the body. But the way they’re processed can make small differences. from www.shutterstock.com

White, brown, raw, honey: which type of sugar is best?

Next time you’re baking a cake or putting a spoonful of something sweet in your coffee, here’s which sugar you should choose and why.
Head teachers in the UK argue teachers and children benefit from school holidays as it motivates them to work harder during the term. Shutterstock

Should we shorten the long summer break from school? Maybe not

While cutting the long summer holidays would help working parents, it may not be so great for teachers who need to plan and do professional development, and kids who need a rest.
When an ageing person is forced to move out of their family home, that can trigger a host of problems that policy is doing little to prevent. Diego Cervo/Shutterstock

For Australians to have the choice of growing old at home, here is what needs to change

Millions of older Australians live in houses that don’t safely meet their needs, but they’re not ready for a nursing home. Lack of suitable housing and the moving costs leave them with nowhere to go.
Early dental visits are essential to help parents keep their children’s teeth and gums healthy. from shutterstock.com

Child tooth decay is on the rise, but few are brushing their teeth enough or seeing the dentist

The latest poll on children’s oral health shows many parents have misconceptions about how to prevent tooth decay in their children and don’t know of the free dental services available.
China’s new J-20 stealth fighter was placed into combat service in February. AAP/EPA

China’s quest for techno-military supremacy

China has upped its defence spending and is investing heavily in revolutionary technologies that could transform its military into the world’s most powerful force by the middle of the century.
Alternatives such as dates have the same number of kilojoules as sugar. Artur Rutkowski

You don’t need to quit sugar to improve your health

Quitting sugar is unlikely to improve your health any more than cutting down on ultra-processed foods, eating more vegetables and cooking food from scratch.
The glum business sentiment is in sectors related to consumer spending. www.shutterstock.com

Face Value: business leaders nervous about consumers spending less and regulation

Business leaders some sectors are feeling less positive about the year ahead because consumers are spending less, according to our analysis of the outlook of leaders of Australia’s ASX 200 companies.
The old pathways to home ownership have been displaced by more uncertain routes that waver between owning and renting. Glenn Hunt/AAP

Home ownership foundations are being shaken, and the impacts will be felt far and wide

Increasingly insecure pathways to home ownership are not just a problem for property markets. The fallout is likely to hit retirement incomes, the welfare base, gender equity and the broader economy.