More or Less: Intersex Numbers, Fact-Checking Facebook, Jack Bogle

The BBC reports that as many as 1.7% of the world have intersex traits. Tim Harford speaks to an expert in the field, endocrinologist Dr Bernard Khoo about why that number is too high. Have scores of MPs really been accused or arrested for violent and financial crimes? We fact check the claim, which is circulating on social media, and find it wholly inaccurate. The question remains how disinformation like this can be successfully countered. The fact-checking charity Fullfact has announced a new partnership with Facebook, which aims to make it easier for social media users to distinguish fact from fiction.