It's a cliché, but prevention really is better than cure. We often talk of more than 4 in 10 cancers being preventable, through things like not smoking, cutting down on alcohol and maintaining a healthy weight. We can say this because of years of robust evidence. This evidence shows that these and other behaviours - along with things in our environment we can't necessarily control - can cause cancer by damaging our cells' DNA. But the picture of what causes cancer isn't complete.
For the last decade or so, scientists have been meticulously categorising the most common type of children's brain tumour: medulloblastoma. And in doing so, they've uncovered that the 60 cases diagnosed each year in the UK can actually be divided into different 'types'.
The Hatton Garden jewel heist of 2015 has been described as "the biggest burglary in English legal history". Those responsible successfully entered an underground vault, emptying 72 safety deposit boxes and walking away with £14 million worth of jewels. But what does gaining access to a vault and emptying safety deposit boxes have to do with cancer?