Dr Yan - the Thatcher illusion

Putting science and technology to the test

BBC One

Roadshow

Bang Goes the Theory roadshow map

Bang LIVE is back and kicking off the year in London at the Big Bang Fair.

Brain Test Britain

The Brain Test Britain experiment

Does brain training really work?

Ask Yan a question

Dr Yan invites you to ask him a science question.

Sorry, but we've had so many great questions that this feature is closed, for now.

Science speak

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

- Stephen Hawking, theoretical physicist (1942-present)

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.