More positively, breakthroughs in biology, chemistry, physics, and psychology that will create or clone humans who live virtually forever, if they can afford and endure it. Humans who are more machine than human, as Ray Kurzweil explores in his book The Singularity Is Near.

Machines that outthink, outlive, and outmaneuver us at every turn. Siri, anyone? And other events too bizarre to even imagine, but that will cause us all to rethink everything. That’s the world you inherit, graduates, and must somehow negotiate. […]