Your brother recently died of a rare form of cancer. You know that he had been participating in a study on the genetics of this cancer, and that as part of the study, researchers promised that they would send him his individual results.

The Berggruen Philosophy and Culture Center recently brought a diverse group of neuroscientists and philosophers together with Silicon Valley entrepreneurs and programmers to answer this question: As developments in artificial intelligence extend or surpass human intelligence, do they challenge the traditional definition of what it means to be human? Here's what five of them had to say.

It has only 473 genes, and many of them are a complete mystery.