The Mere Existence of Whales: The Scientists Answer Your Questions

Recently I blogged about how the mere existence of whales might be an important clue to treating cancer. That post has drawn many readers, and many questions in the comment thread. Happily, the authors of the review I described--Carlo Maley of the University of California, San Francisco, and Aleah Caulin of the University of Pennsylvania--have joined the thread. They've answered the first set of reader questions and promise to come back to respond to the rest. Further proof of the majesty of blogs... [Update: Here's their next batch of answers.]