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Did the 2016 US election galvanise young people to become more engaged in politics? Millennial statistician Kevin Lin designed a research project to see if there was evidence to prove this on the website Reddit. Kevin explains his findings and the pitfalls of trying to measure anything on social media.

This year has seen a sharp rise in the number of confrontations in America between far right white supremacists and a group known as antifa – the anti fascists. White nationalists claim they want to protect the right to free speech but their opponents believe it’s an excuse to promote often racist ideologies. The fight that lived online is now being played out on the streets.

Serial killers and their terrible high profile crimes have spawned a massive global industry... feature films, documentaries, TV series, books, magazine profiles, hit podcasts and video games. So why do many of us find serial killers so intriguing? Is it their psychology or the gory details of their murders? Becky Milligan investigates.

(Photo: Students from Los Angeles California high schools gather to protest the election of Republican Donald Trump as President of the United States. Credit: David McNew/Getty Images)