"Is There a Maximum Human Life Span?" and "Longevity for the Long Term"

The maximum human life span will be whatever we make it to be over the decades ahead - the advance of biotechnology will see to that. But even here and now, the question "is there a maximum human life span?" doesn't exactly have a straightforward answer. Here speaking on the topic at a recent Humanity+ conference is L. Stephen Coles of the Gerontology Research Group:

At the same event, Gregory Benford (scientist, science fiction author, and board member of Genescient) discussed his view of the future of engineered longevity:

You'll find links to more video presentations from the conference over at the Humanity+ website.