The attack is likely to have enduring psychological effects for those at the scene.
It's distressing to see reports of terrorist attacks but these feelings will usually abate over days or weeks. But people with a history of trauma need to take extra care of their mental health.
Do you think you could make an echo at Echo Point in Katoomba?
When a sound is made, it spreads. And when it hits a hard surface that is far away, it bounces back and comes back to where the sound was made. That's what we call an echo.
Getting shadow equity might get us better paid.
What if we were part-paid in something that was like shares in the firm we worked for, except better. It might give us better pay rises.
When you’re admitted to a public hospital, they’ll want to know if you have private health insurance.
When you enter a public hospital, you are likely to be asked if you have private health insurance, and if you want to use it. This is what you need to consider.
Within weeks of adopting most of the banking royal commission’s recommendations, Treasurer Josh Frydenberg has backed down on one of them.
Josh Frydenberg wants to leave mortgage broker commissions unchanged for three years. It's hard to see why.
The recent slump in building approvals is a reminder of the risks of an over-reliance on a boom-and-bust market to meet all housing needs.
Housing markets never have met the lowest-income households' needs. Now is the time to tackle problems that have been years in the making by creating a better system to supply their housing.
Labor wants housing to be a federal election issue, but to solve the problems of recent decades Australian governments need to comprehensively rethink their approach.
The problems with housing systems in Australia and similar countries run deep. Solutions depend on a fundamental rethink of our approach to housing and its central place in our lives and the economy.
There is a vast infrastructure of digital tools that can be used to strategically manipulate behaviour for tactical gain.
Nation states are covertly working against each other on the very same digital platforms they use to collaborate in areas such as trade and manufacturing.
Artist Janet Laurence is ferocious and uncompromising in her work.
A new survey exhibition of contemporary artist Janet Laurence urges us to reconsider the relationship between art, nature and politics.
Pink pussy hats are out at International Women’s Day events, but they are facing opposition.
Progress on gender equity is harder to achieve, in part because of a belief on the part of some men that women have come too far too soon.
Only two women are in this photo from the 2018 Prime Minister’s Prizes for Science award night: Minister Karen Andrews, and 2018 Life Scientist awardee Lee Burger.
Prime Minister’s Prizes for Science, Commonwealth Department of Industry, Innovation and Science
You can support career development by nominating a deserving scientist, innovator or science teacher for recognition through a prize or award.
An example of a typical dingo. Photograph depicts a male from K’gari-Fraser Island (Queensland).
Of all Australia’s wildlife, one stands out as having an identity crisis: the dingo. New research has found the dingo is its own species, distinct from 'wild dogs'.
Both Australia’s trend and seasonally adjusted GDP per capita growth rates have dipped below zero.
The treasurer says 2018 was a year of two halves, but there were signs of a downturn well before mid year.
Flames spread rapidly up the external wall cladding at the Lacrosse building in Melbourne in November 2014. More than four years on, the combustible panels are still in use.
Architects, certifiers and engineers who work as consultants to builders are on notice about potential liability for the use of flammable cladding, but governments are also culpable for their actions.
Four out of five experts say a vegetarian diet is healthier.
brooke lark unsplash
Not eating animals might make you feel more virtuous, but is it good for your health?
Newly-elected US Democrat Alexandria Ocasio-Cortez is co-author of the New Green Deal which proposes massively expanding the budget deficit as a way of supporting both the environment and the economy.
There are limits on how much governments can spend without earning, although increasingly politicians are behaving as if there are not.
Nora Heysen, Self-portrait 1934 oil on canvas 43.1 x 36.3 cm.
National Portrait Gallery, Canberra Purchased 1999 © Lou Klepac
Nora Heysen was the first woman to be awarded the Archibald Prize, but for most of her life she was defined not by her art, but by her relationship to her famous father, the artist Hans Heysen.
The way it is now, we have almost no way to know how our data are being shared and used.
Algorithmic guardians could be programmed to manage our digital interactions with social platforms and apps according to our personal preferences.
Eastern quolls have been introduced in Booderee Nation Park as part of a rewilding project.
Rewilding is gaining popularity around the world, as a means to restore ecosystems to their ancient state. But just like Vegemite, Australian rewilding projects need to have a unique flavour.
It’s one thing to have money, it’s another to be able to spend it to best effect.
Last time Australia got lucky. We are unlikley to get lucky again.