Here's to great dogs. Many of us would like to believe there's a special place in doggie heaven for the really great ones. I know I want to. No question they've earned it, deserve it, and it seems only fair. I know there are a great many great dogs out there, working their magic, living their lives with their families and saying it all without ever saying a word. For dog lovers, our precious memories of those "non-conversations" with dearly-departed four-legged friends lend silence a deafening quality. I explained to a friend that Paw Prints is a book about great dogs, not just my dog,...

Synthetic biology is the technique that enables us not just to read and edit but also write DNA to program living biological structures as though they were tiny computers. Unlike cloning Dolly the sheep-which cut and copied existing genetic material-the future of synthetic biology might be something like an app store, where you could download and add new capabilities into any cell, microbe, plant, or animal. This breakthrough science has the potential to mitigate, perhaps solve, humanity's immediate and longer-term existential challenges: climate change; the feeding, clothing, housing, and...