Crested pigeon in flight with the primary feathers spread and the narrow eighth primary is visible.
Crested pigeons make a rapid trilling sound when they take flight that can be used to warn others of danger. But what is it that makes the sound?
Sibling competition may have played a bigger role in human evolution than you thought.
Trust Me, I’m An Expert: Competition.
The Conversation, CC BY 60 MB (download)
Our November episode of Trust Me I'm An Expert is all about competition, including the often fierce rivalry between siblings.
The perimeter fence at Silverwater jail in Sydney’s west.
Prisons are big business in Australia. Companies not only run entire prisons but provide many of the services. But what does the research say about the impact?
Australian Prime Minister Malcolm Turnbull (right) and Australian Energy Minister Josh Frydenberg today announced the government’s new energy policy.
AAP Image/Lukas Coch
The National Energy Guarantee promises to make electricity supply more reliable, cheaper and less polluting.
Artist’s impression of the collision of two neutron stars, the source of the latest gravitational waves detected.
National Science Foundation/LIGO/Sonoma State University/A. Simonnet
Astronomers have finally confirmed the source of the latest detected gravitational waves was the collission of a pair of neutron stars, what they'd been searching for all along.
Our first episode of Trust Me, I’m An Expert tackles the debate unfolding as Australia contemplates changing the Marriage Act to allow same-sex couple to marry.
In this episode of Trust Me I'm An Expert, we're wading into the same-sex marriage debate with experts on the Bible and the law, and fact-checking claims that kids do best with a mother and a father.
On this podcast, academic experts separate the signal from the noise, the data from the anecdotes, explain the science, look at the peer-reviewed evidence and ignore the media hype.
A new monthly podcast from The Conversation, where we bring you the most fascinating, surprising stories from the academic world.
A canine commuter catches up on some sleep on the Paris Metro.
Why does Australia, a nation of pet lovers, not allow pets on public transport or guarantee tenants the right to keep a pet?
Fossilised brittle stars found in Western Australia provide clues about evolution of life underwater.
Australia was a different place 275 million years ago - wild storms surged through icy seas, and marine animals lived a tenuous existence. But brittle stars had a survival strategy.
Decriminalisation allowed sex workers to step out of the shadows and into active participation in public life.
Scarlett Alliance/Author provided
Full decriminalisation of sex work is advocated by many health and human rights organisations around the world. Sex workers in New South Wales kick-started the process 40 years ago.
Pied butcherbirds, such as this one, sing solos, duos and trios.
© Duade Paton
Is birdsong simply a hard-wired, functional, primitive sound – or could we call it 'music'? Australia's pied butcherbirds show there are surprising overlaps between birds' and humans' musical abilities.
How should you signal that you don’t want to be disturbed?
Business Briefing: are our standards dropping in the workplace?
The Conversation 20 MB (download)
Our workplaces are becoming less formal. But there were some advantages to the old formality.
Amee Meredith and Caterina Politi turned the worst day of their lives into a campaign for meaningful law reform.
In this episode of Change Agents, Andrew Dodd speaks with Amee Meredith and Caterina Politi, who lost family members to random acts of violence, on their campaign to reform 'one-punch' laws.
New research shows that fairy-wrens become more cautious as they change colour.
Being blue is risky for superb fairy-wrens: males become more cautious when their plumage turns blue, and other wrens take advantage by using them as colourful decoys.
Listening to audio derived from DNA may help scientists better understand how cell biology works.
Converting a DNA sequence into an audio could help us learn something useful about it, like where mutations occur.
All you need to know about the 2017-18 federal budget in one simple at-a-glance graphic.
All you need to know about the Federal Budget 2016.
In the 25 years since the Royal Commission into Aboriginal Deaths in Custody, we’ve gone backwards.
Growth industry: forestry will account for much of the carbon reductions under the first round of Emissions Reduction Fund contracts.
The first round of contracts for Australia's Emissions Reduction Fund have been awarded, at an average price of just under A$14 a tonne. How do the numbers stack up, and what projects are the big winners?
Australian Treasurer Joe Hockey is facing the prospect of a budget blowout, thanks largely to a hostile Senate.
The Conversation has undertaken a stocktake of the major budget savings measures opposed, at risk, or yet to be legislated. According to our analysis, which has been verified by Grattan Institute chief…