Adrien Brody

I write for kids because I think the most interesting (and most humorous) stories come from people's childhoods. When I was writing 'Diary of a Wimpy Kid,' I had a blast talking on the phone to my younger brother, Patrick, remembering all of the things that happened to our family when we were growing up.

What do cells do when they see a broken piece of DNA? Cells don't like such breaks. They'll do pretty much anything they can to fix things up. If a chromosome is broken, the cells will repair the break using an intact chromosome.