www.universeinsideyou.com - like most babies, it doesn't do much at the moment. In fact it's just a placeholder really. It may gurgle occasionally, but no nappies are involved.
The website is for the followup to Inflight Science. The Universe Inside You uses your own body as a vehicle to explore everything from quantum theory to the workings of the brain.
The book won't be out until next April, but when it is published, like Inflight Science it will feature a range of experiments to try out. By putting some of these onto the website, they can be made more interactive and (hopefully) interesting.
The other thing the website will bring is links to find out more about other books where you can read more on a topic you've got a taster of in the book.This was something several reviews of Inflight Science said would be useful.
For the moment, though, it's just an opportunity to take a better look at the cover than the small version above. I rather like the cover - it matches the cover of the new paperback version of Inflight Science, out on 5 January, of which there's a sneak preview below: