Researchers developed an algorithm that maps human genetic diversity and ancestry to better understand population history.

"Cracking Your Genetic Code" reveals that we stand on the verge of such a revolution. Meet a cancer patient who appears to have cheated death and a cystic fibrosis sufferer breathing easily ...

Their results, however, provide important evidence of distinct genetic pathways in the development of melanoma and suggest that patients might benefit from uniquely tailored therapies.