Can genetically modified pigs be the key to treating rare diseases?7:42
Scientists want to rewrite the entire human genome, from scratch
protect DNA
Scientists finally get a look at enzyme that protects DNA
Linking genes to depression could revolutionize treatment
23andMe can (finally) tell you about your genetic cancer risk
Stem cells give paralyzed man movement5:38
Erasing your DNA5:35
This week in ideas: Embryonic people-pigs, the glories of the Hubble Telescope, and American cyber-security
Karen Aiach on doing the impossible1:23
The promise of gene therapy7:45