For the last four years, I've gone on a bike trip with my dad and brothers. It's something that means a lot to me, and I cherish every year we get to keep doing it. What I love about cycling is this: I love the feeling of being one with the bike, a human-bike hybrid, whizzing downhill, choosing whether to soar in a straight line or whether to snake in a needless wobbly line. I love I only have to think of it and the bike seems to magically do what I think. I love the pace. It

When we look at the language of genomes - those endless lines of A's, G', T's and C's that make up the DNA of all living things - then compare those genomes to more ancient primitive forms - we can see that we share 'words', 'sentences' and even 'paragraphs' with them. There is a bit of those older beings at the core of us all you see. The more the words, sentences and paragraphs of our genome match up with another species, the more we share its characteristics. That's why

This is me. Somehow, this little lad, head as big as his body, sparkling clear eyes open, drinking in the light of the wonders and horrors of the world, he is the core of the man I am now. Almost every body cell has been replaced, even the bones. Not the neurons though, those long-lived brain cells that live on, determining how I think, feel and remember. They're the last remaining physical part of this boy. I've carried them with me in this aging, metamorphing vessel, all