When you're dealing with victims of crime it can sometimes be what you don't know that's most disturbing. How many more of them are out there? What are the signs that we missed? Are we spotting others before it's too late? Nobody could have failed to be affected by the harrowing story of a 10-year-old girl trafficked from her home in Pakistan to Manchester.
Allegations of child witchcraft are increasingly being levied against children, leading to many youngsters being harmed, abused or killed. Breaches of children's human rights are not uncommon. We've all heard of child marriage, trafficking and sexual abuse. Now we can add 'witchcraft exorcism' to the list.
Targeting and endangering these brave aid workers, who play no part in the conflict and who simply seek to help those most in need, is wholly unacceptable. The humanitarian tragedy that continues unabated in Syria is deplorable and more must be done to ensure aid reaches the vulnerable, and those delivering it are protected.
When the UN votes on the US blockade of Cuba this week, the US is likely to face opposition from nearly every other government in the world. But, if past experience is any guide, the US will simply ignore this. It will continue exacting unnecessary suffering on the Cuban people through a cruel and counter-productive policy.
Egypt is a great country for conspiracy theories - the nuttier, the better. In relation to penises, animals or the national football team, talk of agents and conspiracies are amusing and, although genuinely believed by some, are widely shared as a joke. But when they are used to shut down debate or demonise groups of people they become more sinister and even deadly.
The festival Days of Ukraine in the UK was created by The Firtash Foundation - an organisation which I founded along with my husband Dmitry in 2008. We were aware that many people in Europe didn't truly understand what modern Ukraine was like and that we needed to spread the word about what a unique and innovative nation we come from.
My latest book is about everything... from finance to thermodynamics, sex to special relativity, human evolution to holography. In researching and writing it, I began to appreciate more and more what a wonderful world we live in -one far more incredible than anything we could possibly have invented. Here are just some of the bonkers things I learnt.