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After a shooting at a high school in Florida killed 17 people student’s across the United States of America have mobilised on social media. They’re calling for change using online organising tools and taking to the streets. The gun control debate is a familiar cycle, powerful forces in favour of keeping existing laws make it difficult for change to be passed and after the first initial shock news agencies often move on. So will the students manage to keep the momentum for change going?

Plus – the trending team look at an app designed to give people anonymous feedback online. It has seen a meteoric rise but in the wake of allegations of teenage bullying its downloads have faltered. The team chat to the CEO who developed the app.

The More or Less team ask who was the most successful nation at the Winter Olympics if you look at the GDP and amount of ski resorts of the countries with the most medals. Also – how many races would you have to watch to witness a dead heat in the two man bobsleigh? It happened at this Olympics, but when might it happen again?

And Shivaani Kohok talks to experts to provide an insight into the different types of bullying and what motivates this behaviour.

(image: Canadians Alexander Kopacz and Justin Kripps and Germans Francesco Friedrich and Thorsten Margis celebrate winning joint-Gold in the 2 man bobsleigh at the PyeongChang 2018 Winter Olympics.Credit:Tom Pennington/Getty Images.)