Transport and livestock are both significant contributors to nitrogen pollution.
The University of Melbourne is the first institution in Australia to have its nitrogen footprint calculated – it's 139 tonnes per year, mainly because of food production, energy use and transport.
Both male and female birds sing to impress other birds, but as well as that, they do it for pleasure!
Author Tom Keneally, actress Magda Szubanski and journalist Kerry O'Brien are among the ABC’s high-profile supporters.
The public broadcaster's editorial independence must be protected at all costs – from within and without.
Guy Pearce as the Chandleresque private investigator Jack Irish: in the early years of Australian crime fiction, convicts and bushrangers featured prominently.
Australia's rich tradition of crime fiction is little known – early tales told of bushrangers and convicts, one hero was a mining engineer turned amateur detective – but it reveals a range of national myths and fantasies.
Both humans and animals experience these reflex responses.
The loud noise might be a warning that there is something falling nearby, or flying towards you. Our brain tells our eyes to quickly shut, to help protect them from any damage.
Se ha dicho que los impresionistas eran miopes.
El Boulevard Montmartre de noche, Camille Pissarro/Wikimedia Commons
Las enfermedades y trastornos pueden afectar a nuestra forma de ver. ¿Es posible que las pinturas nos den pistas sobre la capacidad visual de los artistas?
Tourists take a photo of sunrise at Angkor Wat in 2016.
An influx of tourists is irrevocably changing UNESCO-listed towns in Asia. Controls on visitor numbers are urgently needed.
Victorian Premier Daniel Andrews’ Labor party leads in the latest polling ahead of the November 24 state election.
Latest polling shows a mixed back for both major Victorian parties, but Labor is still ahead on two-party preferred.
As democracy loses favour around the world, support for alternatives, such as strong man governance, continues to rise.
Public trust in government is declining in democracies around the world, particularly among young people. Democratic reform is needed to re-engage disaffected citizens.
Some fanciful plans were imagined for Melbourne back in the day – some included jet cars.
C.F. Beauvais in the Argus Weekend Magazine, August 28, 1943/Trove
We have forgotten how to be imaginative when planning our cities. Looking back into Melbourne's planning history, we might be able to find some inspiration to tackle rapid growth in a creative way.
Liberal MP Sarah Henderson, speaking on Q&A.
In addition to the jobs claim, Liberal MP Sarah Henderson said 65,000 new businesses had started in the last year, compared to the closure of 61,000 businesses in Labor's last year. Is that right?
More than 250,000 people took to the streets in a 2016 protest organised by hardline Muslim groups against Jakarta’s Christian mayor.
Indonesia has long been held up as a model of democratic transition in the Muslim world. This view of the country now needs rethinking.
Living in a country with more gender equality results in better sleep for both men and women.
While women's sleep is affected by children, men's sleep is affected by work and finance stress. Couples living in more gender equal countries have improved sleep quality.
We’re great at rationalising our own actions, whether it’s profiteering or eating meat.
Under the right circumstances, most people will act in ways that are opposed to their own morals.
Treasurer Scott Morrison has revealed changes to how GST revenue will be allocated to states.
The unknown loser is who pays for the additional Commonwealth funding.
It’s been 50 years since the find of burnt bones in ancient soil, eroded from deep in shoreline dune in NSW.
It's been half a century since Jim Bowler discovered Mungo Lady, which changed the course of Australian history. But now he says the find has fallen off the national radar, leaving a legacy of shame.
With some foul-mouthed words to Senator Sarah Hanson-Young, Senator David Leyonhjelm has turned a debate about the safety of women into a sleazy political sideshow.
AAP/Mick Tsikas/Sam Mooy
Many female politicians have had to endure sexist abuse, from Cheryl Kernot to Julia Gillard to Sarah Hanson-Young. And it is not a matter that should simply be brushed aside.
The existence of wormholes is not forbidden by our current theories of the universe. So we can say that they do exist in theory.
Marcella Cheng/The Conversation NY-BD-CC
A wormhole is like a tunnel connecting two places in space. They would be incredibly useful and are great for science-fiction stories.
The problem is we haven't found any evidence of them existing.
Our cultural discomfort with discussing any sort of loss means women are often met with a wall of silence.
Cliched comments like "it wasn’t meant to be" or "don't worry, you'll get pregnant" are hurtful and dismissive. Instead, acknowledge their loss, listen and let them grieve.
Elle Fanning as the author Mary Shelley.
The author Mary Shelley wrote Frankenstein when she was 18. A new film investigates the gender politics of the novel's creation.