Humans are still evolving, and advances in medicine and technology are helping us live longer than ever. But have we inadvertently created an evolutionary timebomb?
If you tend to think that ignorance is bliss, then genetic testing could be your worst nightmare. On the other hand it could help you make important decisions about your work, family planning or even whether to take more holidays.
Scientists sequence the genome of world-famous giant tortoise Lonesome George, revealing information about the longevity and size of giant tortoises, and their ability to fight cancer.
What's your poison: strong long black or a delicate oolong? Our inherited ability to taste bitterness could help explain why we prefer one over the other.
Professor John Rasko is a world-leading scientist in IVF and gene therapy — fields that some claim promote "new eugenics". As a descendant of Holocaust survivors, he takes this accusation seriously.
In an Australian first, newborn babies are now being routinely screened for the genetic condition spinal muscular atrophy, and one professor says the impact on families "is going to be profound".
Is bringing long-extinct animals back from the dead a good idea? Some scientists think so, and are trying their hardest to make it happen.