I was a goth in my student days. I dyed my hair black, but it came out grey, with a blue scalp. Then I dyed it red and it came out fuschia pink.

The scientific method is about trying to remove our own bias and subjectivity, and be as objective as possible. But then you can put it back into context and you're allowed to be emotional and human about the way you engage with it.

As an anthropologist, I believe strongly in our common humanity. We can rise above the tribal divisions that have caused so much anguish and real damage in the past.

Archaeology can be overlooked as a discipline, I think, but it's incredibly important to have this other way of approaching the past - not just through historical documents, but through actual physical remains - objects, buildings and the layout of our towns.

In fact, humans have less variation genetically than chimpanzees.

I find humanism to be the most rational and positive philosophy for life. And it's not a new thing at all - the history of humanist thought is deep and inspiring.