After taking on social media platforms last year, Australian authorities are now going after popular online gaming platforms over unsafe content.

The eSafety Commission has issued transparency notices to Roblox, Minecraft, Fortnite and Steam, over concerns they're being used by sexual predators to groom children as well as extremist groups to spread propaganda and radicalise young Australians.

The legally enforceable notice is a 'please explain' to the companies on how they're identifying, preventing and responding to harms with penalties for non-compliance of up to almost $50 million per breach.

• GUEST: eSafety Commissioner Julie Inman Grant
• PRODUCER: Katie McAllister

Mary-Anne Lea is a scientist who journeys to the ends of the earth to discover its coldest secrets.

The government has announced changes to the Support at Home aged care program.

It's decided to dump a controversial co-payment from October, which saw some people pay $50 an hour for basic support such as showering, dressing and continence care. 

• GUEST: Sam Rae, Minister for Aged Care and Seniors
• PRODUCER: Isadora Bogle

As the Strait of Hormuz remains effectively closed, farmers are worried about what this will mean for Australia's food security ahead of winter cropping.

• Guest: Julie Collins, Federal Minister for Agriculture, Fisheries and Forestry
• Producer: Grace Stranger

Health Minister Mark Butler is expected to announce measures to curb the growing cost of the scheme later today.

The NDIS is set to cost more than 50 billion dollars this financial year and it's expected to cost a hundred billion dollars a year by 2036, if the pace of its growth cannot be slowed.

But Greens Senator Jordon Steele-John says people in the disability community are 'disgusted' that their supports and services may be cut. 

• GUEST: Senator Jordon Steele-John, Greens spokesperson for Disability Inclusion and the NDIS
• PRODUCER: Isadora Bogle 

The federal government is expected to announce significant changes today to the National Disability Insurance Scheme to address spiralling costs.

The NDIS is set to cost more than 50 billion dollars this financial year and it's expected to cost a hundred billion dollars a year by 2036, if the pace of its growth cannot be slowed.

So, where will the savings come from?

• Guest: Martin Laverty, CEO of disability service organisation Aruma and an original architect of the NDIS
• Producer: Joe Sullivan

The US President Donald Trump says he will hold off attacking Iran until Tehran's negotiating teams come up with a unified proposal for a peace agreement.

In a social media post, Mr Trump says he will extend a ceasefire until the Iranians submit a proposal.

Meanwhile, the Chinese President Xi Jinping has called for an immediate and comprehensive ceasefire and the reopening of the Strait of Hormuz.

The President made the comments in a phone call this week with Saudi Arabia's Crown Prince - in the wake of the US navy seizing an Iranian cargo ship near the Strait on Monday.

The US has credited China with getting both sides to the table at the last round of peace talks in Pakistan.

So what does the war in the middle east mean for China and the Asia Pacific? 

• GUEST: Ryan Hass, Director of the John L. Thornton China Center at the Brookings Institution and former director for China, Taiwan and Mongolia in the US National Security Council
• PRODUCER: Pip Cook

The National Disability Insurance Scheme minister Mark Butler is expected to unveil major reforms to the NDIS today, in long-awaited a speech to the National Press Club.

But in the lead up to this address, the scants details about the reforms have left many NDIS participants and their families feeling anxious. 

• Guest: Clem Bastow, culture critic, academic researcher and NDIS participant
• Producer: Joe Sullivan

Last-minute ceasefire talks between the United States and Iran look uncertain this morning, with US President Donald Trump threatening to renew bombing if a deal isn't reached.

US Vice President JD Vance - who was expected to lead the U.S delegation for the talks - has now called off his trip to Pakistan.

That's according to the Associated Press, citing an unnamed US official.

Meanwhile, Iran is yet to decide whether it will participate.

• GUEST: Negar Mortazavi, Iranian-American journalist and Senior Fellow at the Center for International Policy
• PRODUCER: Pip Cook

The former head of the UK Foreign Office said there was "a very, very strong expectation" that Peter Mandelson "needed to be in post as ambassador to the United States as quickly as possible".