Credo: Susan Greenfield

Neuroscientist, 57
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I believe...

'The only thing that counts in life is the truth.' That's the maxim of Professor John Stein of Magdalen College, Oxford, one of my mentors. I think of it whenever I'm feeling low and confused.

More kids should study Classics. Latin and Greek are good languages for the working memory, because they have so many rules to remember, and they give you great insights into politics and history.

Neuroscience lacks a Newton. We have lots of anecdotal evidence and empirical findings about how the brain works, but we don't have agreed principles to work with the way that the physical sciences do.

There's still a glass ceiling for women in science. Women who take time out to have babies are at a big disadvantage when they return. There should be ring-fenced fellowships for women, or indeed men who are primary child-carers.

Science should reach out beyond the chattering classes. I once gave a talk in Brixton prison about drugs, and I was amazed how many of the men there had fast, agile brains but they clearly had no information base. It struck me as a waste.

Computers are too powerful to let loose on children's small, unformed brains without supervision or structure. I want to see more debate between neuroscientists, parents and educationalists about what we want our kids to learn from them.

One of my proudest achievements is being made an honorary Australian in 2006, after I did some work there. I admire Australians very much – their lack of pretension, their sense of humour and the way they mix hard work with having fun.

I do feel time is running out. There's so much I want to achieve, learn, do, see. There aren't enough hours in the day.

Baroness Susan Greenfield is chair of the jury for the L'Oréal UK and Ireland For Women In Science award, to encourage greater participation of women in science. The deadline for fellowship applications is 2 April (