Scientists in Maryland in the United States are exploring what a lab-grown retina can tell us about how we can see millions of colours. Joining Jonathan to explain more about the research is Robert J. Johnston Jr. Associate Professor in the Department of Biology at Johns Hopkins University.Also joining Jonathan for this week's Newsround is Dr. Susan Kelleher, School of Chemical Sciences, DCU & Dr Fergus McAuliffe, Communications and Engagement Manager, iCRAG.

Scientists in Maryland in the United States are exploring what a lab-grown retina can tell us about how we can see millions of colours. Joining Jonathan to explain more about the research is Robert J. Johnston Jr. Associate Professor in the Department of Biology at Johns Hopkins University. Also joining Jonathan for this week's Newsround is Dr. Susan Kelleher, School of Chemical Sciences, DCU & Dr Fergus McAuliffe, Communications and Engagement Manager, iCRAG.

Scientists in Maryland in the United States are exploring what a lab-grown retina can tell us about how we can see millions of colours. Joining Jonathan to explain more about the research is Robert J. Johnston Jr. Associate Professor in the Department of Biology at Johns Hopkins University.Also joining Jonathan for this week's Newsround is Dr. Susan Kelleher, School of Chemical Sciences, DCU &amp; Dr Fergus McAuliffe, Communications and Engagement Manager, iCRAG.

How does the human eye see so many colours?

Jonathan responds to your texts and tweets, is joined in studio for all the latest science stories for Newsround and speaks to one of our two guests featured on the show.CONVERSATION THAT COUNTS | Ireland’s national independent talk station for news, sport, analysis and entertainmentListen to Newstalk at&nbsp;<a target="_blank" rel="noopener noreferrer nofollow" href="http://newstalk.com/listenlive">http://newstalk.com/listenlive</a>&nbsp;| Download the GoLoud app now, the new home for Newstalk

Science

Jonathan responds to your texts and tweets, is joined in studio for all the latest science stories for Newsround and speaks to one of our two guests featured on the show. CONVERSATION THAT COUNTS | Ireland’s national independent talk station for news, sport, analysis and entertainment Listen to Newstalk at http://newstalk.com/listenlive | Download the GoLoud app now, the new home for Newstalk

Jonathan responds to your texts and tweets, is joined in studio for all the latest science stories for Newsround and speaks to one of our two guests featured on the show.CONVERSATION THAT COUNTS | Ireland’s national independent talk station for news, sport, analysis and entertainmentListen to Newstalk at&nbsp;<a href="http://newstalk.com/listenlive" rel="noopener noreferrer">http://newstalk.com/listenlive</a>&nbsp;| Download the GoLoud app now, the new home for Newstalk

Share How does the human eye see so many colours?

Sign up to save your podcasts

How does the human eye see so many colours?

How does the human eye see so many colours?

More shows like Futureproof with Jonathan McCrea

Documentary on Newstalk

Newstalk Breakfast

Down To Business

Irish Times Inside Business

The Last Word with Matt Cooper

Callan's Kicks

Inside Politics with Hugh Linehan

The Pat Kenny Show

The Left Wing

The Big Tech Show

Lunchtime Live

The Hard Shoulder

Futureproof Gold

Music with Tom Dunne

Around the World

Movies and TV on The Hard Shoulder

Taking Stock

Breakfast Business with Joe Lynam

The Hard Shoulder Health Check

Science with Luke O'Neill

The David McWilliams Podcast

Wonders of the World on The Hard Shoulder

Brendan O'Connor

Today with David McCullagh

Down to Earth with Cara Augustenborg

The Other Hand

In The News

Newstalk Weekend

Inside the Crime

Path to Power

The Hard Shoulder’s Guide to the Galaxy

As I Remember It: Bertie Ahern & The Good Friday Agreement

Soundscape

10 Years of Pat Kenny

Newstalk Daily