Bonnie Bassler

I called up and said, 'Dad, I won a MacArthur.' My father goes: 'I always thought your sister would win that,' and I said, 'Dad, just say congratulations and keep your private thoughts private.' At that point he laughed, then burst into tears, and it was obvious that he was so happy and proud.

Where there's water on Earth, you find life as we know it. So if you find water somewhere else, it becomes a remarkable draw to look closer to see if life of any kind is there, even if it's bacterial, which would be extraordinary for the field of biology.

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.