Caste based discrimination and oppression is a daily reality – not only in contemporary India but even in Indian communities in the US and Australia. That’s why journalist Yashica Dutt has hidden her Dalit heritage, the caste of the ‘untouchable’, the ‘impure’ for many years ... until she ‘came out’. In her book Coming out as Dalit she describes the guild of denying her history and the inequities of the caste system.

If you love overseas travel, and you’re used to jumping on a plane, the pandemic’s been especially trying.  International borders opened and closed , airlines reduced flights and quarantine rules could see you stranded in a hotel for two weeks at your own expense. British journalist Monisha Rajesh believes it’s the journey not the destination and as the pandemic gathered steam she decided to tour the world by train.

Universities are not what they used be. Some argue they are now quasi-businesses, competing with one another for market share, and revenue. How have universities drifted from their original mission? Might the covid pandemic, and the climate emergency, trigger a conversation about how we can reimagine higher education? Richard Hil and Kristen Lyons hope so

When it comes to understanding human behaviour do you lean towards nature or nurture? Social scientists tend to put more emphasis on the nurture side of the equation. But genetic discoveries have the potential to change the balance in the nature-nurture debate. An American psychologist believes genetics should be understood as another tool in addressing social inequality.

Have we recently seen prove of alien life from a distant star? Avi Loeb thinks so,and he is one of Harvard University’s top astronomers. He argues that a strange object sighted in the skies over Hawaii might be an artificial piece of technology created by a civilisation from outside our solar system. What implications would such a visitation have - for science, for religion, and for the future of our species and our planet? 

After a six week election campaign, Australia is off to the polls. Throughout the campaign, the spotlight has not only been on the political aspirants, and the policies of the competing parties and candidates, but also on the performance of the media. In this Editors Election forum, Australia’s top editors to discuss how the media has covered the election campaign.

Women are warned that as they get older their fertility declines. The popular view is that men can father children at any age. But age is also a factor for fertility problems in men.  There’s also a pronounced global decline in sperm counts.  Four fertility specialists discuss what men can do to boost their chances of becoming a father. 

Two Nobel Laureates discuss the pandemic, climate change and the need to boost science research funding to meet the many challenges we face. Professor Brian Schmidt and Professor Peter Doherty also share personal stories of what it’s like to win the Nobel prize and why they engage in debates on social media.

The impacts of climate change on our health are growing, as surely as global temperatures and sea levels are rising. So how can we strive to live as healthy people on an increasingly sick planet? What are the major ways global warming is threatening human health?  

China has refused to condemn Russia’s invasion of Ukraine and opposed the sanctions imposed by the west. So what are the lessons of Ukraine for China? Will America’s focus on Ukraine encourage China to be more assertive in our region? Or is the protracted war a cautionary tale for the use of force against Taiwan? 

In late 2019, 19 year old Aboriginal man, Kumunjayi Walker, was shot and killed by Northern Territory police constable, Zachary Rolfe, in the remote community of Yuendumu. Rolfe was charged with murder and two alternative offences of manslaughter and engaging in a violent act. In March, Zachary Rolfe was acquitted of all charges. Writer, Anna Krien has been following the story.

After two years of daily updates on Covid cases , deaths and hospitalisation we’re now in a new stage of the pandemic called ‘living with Covid’. But what exactly does that mean? Since the beginning of the year we’ve had a steep rise in cases and deaths . The Omicron variant isn’t as benign as we like to believe. But who would support a return to masks and home-isolation?

A good night's sleep is anything but quiet: a myriad of processes occupy our brains, crucial for every aspect of our waking lives. Our increased understanding of the neuroscience of sleep sheds light on why so many of us struggle to simply drift off.

Weather patterns aren’t following historical trends and we’re seeing record floods and bushfires.  A weather forecaster and a storm chaser talk about the science of forecasting and intense weather systems. And making the transition to renewables while protecting the electricity grid and protecting the workers mining lithium for batteries.

Ten years have passed since the landmark Gonski Review found the performance of Australian students had declined, across the board, compared to international benchmarks. What has happened since Gonski? What makes for a good & equitable education system? Why are so many teachers demoralised and leaving the profession? Paul Barclay spoke to a Finnish education expert, and a former primary school teacher.

"A battle for Hong Kong's very soul" - what led to the explosion of protest, what events proved to be the tipping point? More importantly, what's next?

The Lismore community is rebuilding physically and psychologically since the catastrophic floods and the prospect of these events happening with greater frequency due to climate change. We also hear from a former refugee about rebuilding her life after a childhood scarred by war and the opportunity of Covid lockdowns to find inner peace.

Hundreds of thousands of Americans have died from their addiction to opioid drugs. The epidemic has being driven by both illegal and prescribed drugs. Investigative journalist Patrick Radden Keefe traces the history of one of the prescription drugs which got America hooked. And are we in the age of political capitalism ? Businesses are taking political positions on everything from closing down sweatshops to sanctions against Russia.

If you’ve snorkelled on the Great Barrier Reef you’ll be amazed at the colour of the corals and fish of all kinds. Unless of course you’re snorkelling where climate change is causing coral bleaching. Scientists are racing to classify species and breed climate resilient corals. And how weeds can inspire us to adapt to environmental change.

Ex CIA spy Glenn Carle—'the interrogator'—talks to Paul Barclay about a top secret operation that went dreadfully wrong. An alleged al Qaeda kingpin terrorist was incarcerated for eight years, and subjected to what most of us would call torture, then released without charge, without apology, his life in ruins. All along, without success, Carle tried to convince the CIA they had the wrong man.

With over 50% of the world's population living in cities, are we still evolving or are we homogenising? What will our cities, languages and cultures look like 100 years from now?

Being shot at, going to prison, have your family threatened — that's the experience of female judges in many countries. Shakila Abawi Shigarf was forced to flee Afghanistan when the Taliban retook power in August 2021. The Australian chapter of the International Association of Women Judges was instrumental in helping 17 Afghan judges escape the danger and secure entry to Australia. Members of the association are now helping the judges settle into their new home. Big Ideas picks up on legal...

Global brands are under pressure to eliminate products produced by the forced labour of China’s Uyghurs .Human rights groups say they're working in factories which manufacture goods for the technology, clothing and automotive sectors. China denies that the Uyghurs are living in detention centres and working under forced labour conditions but the satellite images tell a different story.

What are the lessons from one of the most terrible battles of WW1?

Do you get phone calls warning you that your home computer has a security problem or a text message about a parcel you can’t recall having ordered? Scammers and hackers are using every trick in the book to make the most of digital technology and cyber security is now a growth industry.