Science has long understood the dangers of attributing false causality, developing tools like Koch's Postulates and the Bradford Hill Criteria to avoid it.
After John Mack died, his archive of interviews concerning the Ariel UFO encounter was meant to be made available to the public - two decades later, we are still waiting.
Ian Stevenson set out to scientifically investigate reports of reincarnation - while he failed to find any credible cases, his efforts warrant respect.
While the UK has moved to limit the harms of social media by restricting access for children, Facebook and Twitter continue to radicalise people of all ages.