Diamond or zirconia? Apart from the price, it can be hard to tell these two gems apart.
Zirconia is a mineral with a crystal structure made from the elements zirconium and oxygen. It looks pretty like diamond, but is only worth a fraction of the value.
Gempa dangkal namun kuat yang melanda Lombok telah menyebabkan hancurnya gedung-gedung dan sekitar 100 korban jiwa.
Lombok dan Bali terpapar risiko gempa dan tsunami karena pertemuan lempeng Bumi dan aktivitas lempeng yang menyesar ke utara.
Shallow but powerful earthquakes on Lombok have resulted in around 100 deaths and destroyed buildings.
Caught in the middle: Lombok and Bali are exposed to earthquake and tsunamis risk due to a tectonic plate boundary to the south, but also a unique zone of activity that thrusts to the north.
Many cities have used spikes on ledges and other spaces to prevent (usually homeless) people from sleeping or sitting on them.
Design principles, known as 'crime prevention through environmental design', are used all over the world to make cities safer. But some of these principles can be discriminatory and hostile.
If you want to separate investor demand for property assets from demand for affordable housing, rent is a better indicator than property prices.
Property prices have soared in the past decade, but much more modest increases in rent, with the exception of Sydney, suggest less of an imbalance of supply and demand for housing as a place to live.
Dingoes are usually solitary, but can forage in groups near human settlements where food is abundant.
An attack on a WA mine worker has highlighted the danger of wild dingoes, particularly when attracted by humans' food - one of the factors that can make an attack by wild predators much more likely.
Jobs in female-dominated ‘caring’ occupations are driving both full-time and part-time employment growth in Australia.
With most new jobs going to women, their workforce participation rate is growing at nine times the rate for men. But, while participation is on track for parity in a decade, pay is another matter.
Glucosamine for osteoarthritis is one of the most commonly used complementary medicines in the western world.
There is evidence glucosamine can provide relief in osteoarthritis patients, but not enough to support its use as a preventative.
Russian President Vladimir Putin is all smiles with Croatian President Kolinda Grabar-Kitarovic before Sunday’s World Cup final in Moscow.
Most Western leaders have little faith the Russian president will pursue better relations after the final football whistle has blown.
The rise in new housing in Australia is outpacing population growth.
Brendan Esposito/AAP One
It's said Australia's housing affordability problem is the result of new housing stock not keeping pace with population growth. But there is actually enough housing, so why can't the poor afford it?
Shared working spaces come in all different shapes and sizes. This is a formal space in Gothenburg, Sweden.
More people are choosing to work in shared spaces, and there are many benefits of this to the local economy, as well as downsides. Local governments should work with both.
Water sampling for eDNA analysis.
Photograph credit: Katrina West.
DNA sequencing means a scientist can take a bucket of seawater and ID every fish in the area. Now we need a universal 'biobank' of samples to make a truly powerful environment monitoring tool.
Driverless cars promise many benefits for the future of driving, but who really understands?
A survey found very few people are aware of the social and health benefits from the wide scale use of autonomous vehicles. But their attitudes change with a little extra information.
Research that explores resettlement issues from refugee women’s perspectives are needed to inform settlement policy and programs effectively.
Refugee women's voices are often left out of resettlement policy. A participatory research method called photovoice helps uncover resettlement issues from their perspectives.
Studies of workplace happiness have tended to overlook the well-being of managers. They earn the big bucks so should suck it up, right? But a happy boss means a happy team – and that's good for everyone.
Ethiopian books and other materials, such as this ancient Bible, are in great demand.
For Ethiopia, there is no connection between the Maqdala war in 1868 and the stolen treasures at Maqdala
Parents should watch 13 Reasons Why with their kids, and talk about it afterwards.
Season two of the controversial show tackles similar issues, and while Netflix appear to have taken heed of some concerns of mental health advocates some issues remain confronting and challenging
The best advice is still to keep track of your super yourself.
Despite recent reforms, the superannuation system is still beset with problems such as high fees and patchy performance. You need to pay attention if you want to make sure your nest egg's in the best hands.
Inflexible structures of higher education and competing demands related to settlement often make transition difficult for refugees, despite their desire to work hard.
Without developing a better understanding of the challenges refugee students face, we run the risk of further disadvantaging refugee students in Australia.
Echidna blood is especially good at holding and transporting oxygen.
Echidnas can survive quite low levels of oxygen.