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Watch: How scientists are winning against Covid-19

"If there was ever a good time for this to happen, it's kind of now", Professor Luke O'Neill from Trinity College Dublin tells me. In the last 15 years, what science understands about vaccines and viruses has developed hugely.

Explained By Prime Time • 15 Apr 20

A new case definition will begin to emerge into the nightly numbers

Explained: The Covid-19 nightly numbers

With Covid-19, the numbers are coming at us all quickly. Every night there's a update, every day a further briefing.

Prime Time • 31 Mar 20

These behaviours 'will help to save many lives'

Watch: The science behind social distancing

It may feel like social distancing is practice without end, but that's not the case - it's all about a certain number, known as 'the r-nought'.

Coronavirus • 24 Mar 20

Explained: The controversy around BusConnects

Explained By Prime Time • 25 Nov 19

Explained: Why the US Fears Huawei

Explained By Prime Time • 18 Nov 19

Explained: Ireland's agriculture emissions issue

Explained By Prime Time • 11 Nov 19

Explained: Brexit - what happened and what next?

Explained By Prime Time • 04 Nov 19

Explained: Cramped train carriages

Louise Byrne and Kieran Dineen explain what's happening with the capacity of the rail network, to give you an idea of when a more comfortable commute might finally be coming down the tracks.

Explained By Prime Time • 29 Oct 19

Explained: Fresh hope for truth about Stardust

Rita O'Reilly and Della Kilroy explain what happened in The Stardust nightclub fire in February 1981 and why the tragedy is still making news.

Prime Time • 21 Oct 19

Explained: The background to Budget 2020

Ahead of Tuesday's Budget announcement, Economics Correspondent Robert Shortt and Prime Time presenter David McCullagh dust off the footage of budget days gone past, to help you understand what you need to know.

Explained By Prime Time • 07 Oct 19

Watch: Third-level fees and financial crisis explained

How come many Irish students are paying €3,000 a year to attend university or college, when we're supposed to have free third-level education?

Explained By Prime Time • 30 Sep 19

Watch: US-Iran tension and Yemen's war explained

Mark Coughlan and Dimitri O'Donnell look at the war in Yemen and the increasing tension between the US and Iran.

Explained By Prime Time • 23 Sep 19

Watch: Special needs and education explained

Prime Time • 16 Sep 19

Watch: Asylum and Direct Provision explained

Brian O'Connell and Ciara Ní Bhroin explain Ireland's system for processing asylum applications.

Prime Time • 22 Jul 19

Watch: Carbon tax changes explained

The Government says the carbon tax is set to quadruple over the next ten years, as part of its efforts to tackle climate change.

Prime Time • 15 Jul 19

Watch: Corporate tax - explained

Robert Shortt and Richard Downes talk through how Ireland's corporate tax rate policy was set up, and how our huge corporate tax income is coming under increasing pressure.

Prime Time • 08 Jul 19

Watch: The Brexit Process explained

Struggling to keep up with the ever-changing Brexit process? You're not alone. Conor Wilson and Mary Regan explain what you need to know about Brexit.

Prime Time • 17 Jul 19

Watch: Tackling 'Compo Culture'

Fran McNulty and Eithne O'Brien explain the legal issues and policy decisions being made around "compo culture".

Prime Time • 25 Jun 19

Explained: League of Ireland football

League of Ireland football once attracted huge numbers of ticket-buying fans. In more recent years, clubs have been lucky to get a few thousand people through the gate ... so what happened?

Prime Time • 17 Jun 19

Watch: How The Troubles in Northern Ireland developed

Using footage from the RTÉ archives, Miriam O'Callaghan and Aoife Hegarty explain how The Troubles changed over the the decades.

Prime Time • 25 Jun 19

Watch: Ireland's Institutions explained

Tanya Sillem and Mick Peelo take you through how the institutional system functioned, and affected generations of Irish people.

Prime Time • 25 Jun 19

Watch: How will new domestic abuse laws work?

New legislation means domestic abusers can be prosecuted - but how will the cases be processed?

Prime Time • 25 Jun 19

Watch: What you need to know about the war in Syria

Colm Ó Mongáin and Moign Khawaja explain how the war has developed and which countries are involved.

Prime Time • 25 Jun 19

Watch: What's happened with Ireland's social housing plans

For many decades, the State built huge numbers of houses in Ireland, then it stopped. What happened, and why?

Prime Time • 25 Jun 19

Watch: What caused the price of flights to plummet?

Tommy Meskill and Maria Flannery explain what changed in the world of air travel

Prime Time • 25 Jun 19