Melatonin supplements have gained huge traction in the last few years because they can help bring on a good night’s sleep. 

But is it really safe, particularly for kids? 

Now, the Therapeutic Goods Administration has warned consumers to stop using imported melatonin products, after testing showed many do not meet local standards.

Today, paediatric sleep researcher Sarah Blunden on why the advice is changing.

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Professor Sarah Blunden, Head of Paediatric Sleep Research and Lecturer in Clinical Psychology at Central Queensland University

Donald Trump and Benjamin Netanyahu have agreed to a new plan for peace in Gaza.

The leaders were in furious agreement that the proposal, which will see the US president initially lead Gaza’s redevelopment, is the best way forward.

Today, Guy Ziv, associate professor at American University’s School of International Service, on whether Hamas will really agree to the terms it wasn’t involved in negotiating.

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Guy Ziv, associate professor in the Department of Foreign Policy and Global Security, School of International Service, American University 

Donald Trump wants TikTok to be American owned and now a group of billionaire Trump supporters is buying it. 

But how will an American version of the popular Chinese app work, and what kind of influence could its new owners have on the videos its algorithm serves up? 

Today, tech expert and Crikey’s Associate Editor Cam Wilson on the deal and what it might mean for TikTok’s eight million Australian users.

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Cam Wilson, Tech expert and Crikey’s Associate Editor

There’s been a worrying trend in recent weeks with Russia violating the airspace of a growing number of European countries. 

Donald Trump thinks NATO powers should just shoot down the Russian aircraft, but what’s the better option? 

Today Max Bergmann, director of the Europe, Russia, and Eurasia Program at the Centre for Strategic and International Studies on what Vladimir Putin is up to and what Europe should do about it.  

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Max Bergmann, director of the Europe, Russia, and Eurasia Program at the Centre for Strategic and International Studies

This week Donald Trump told pregnant women to 'fight like hell' to not take Tylenol, or what we call paracetamol.

The US President linked the drug to autism, even though the science doesn't back that up. 

Today, Corinne Purtill, science and health reporter at the LA Times, on the ripple effect Trump's misinformation is having around the world. 

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Corinne Purtill,  LA Times science and health reporter

It's been a week since an Optus outage left hundreds of customers unable to call triple 0 in an emergency.

But while there’s been widespread outrage in the days since, is anyone really holding the telco to account for the deadly error? 

Today, technology expert from Melbourne University Suelette Dreyfus on Optus's astonishing failure.

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Dr Suelette Dreyfus, Senior Lecturer at the University of Melbourne in the Department of Computing and Information Systems

Prime Minister Anthony Albanese has addressed the UN General assembly in New York, confirming Australia’s recognition of a Palestinian state.

But a face-to-face meeting with Donald Trump, which was expected on the sidelines, remains elusive. Should we care if the Prime Minister never sits down with the US President?

Today, ABC Global Affairs Editor Laura Tingle joins us from the assembly in New York.

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Laura Tingle, ABC's Global Affairs Editor

Since the assassination of Charlie Kirk, there’s been raging debate in the US about free speech. 

At a memorial for him in Arizona, President Trump described Mr Kirk as a ‘martyr for American freedom’ while simultaneously attacking the likes of talk show host Jimmy Kimmel, whose show was suspended last week over comments he made about Kirk’s death. 

Today, Zack Beauchamp, a senior correspondent at Vox, on how Trump is deploying the authoritarian play book. 

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Zack Beauchamp, Vox senior correspondent

Once praised for its simplicity and speed, Google search is now facing criticism for excessive advertising and frustrating search results. 

Today, 404 Media co-founder Emmanuel Maiberg, on what’s gone wrong with Google search, how it impacts everyday users, and what this means for the future of one of the internet’s most essential tools.

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Emanuel Maiberg, 404 Media co-founder

Donald Trump was in his element at a state dinner hosted by King Charles at Windsor Castle. 

But outside the grounds, protesters served as a reminder that controversy continues to follow the President, including lingering questions over his past ties to Jeffrey Epstein.

As the UK weighs the diplomatic value of his visit, attention is also turning to Anthony Albanese, who will face his own delicate meeting with Trump next week.

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Kim Hoggard, a former staffer during Ronald Reagan and George H. W. Bush administrations