Today's theme is human evolution. Nature is still the ultimate guide, but humankind is uniquely capable of putting technological pressure on our own evolution.

How's that going for us?

Boston Dynamics is ready to announce a Cyborg Age. Check out its superhuman robot, PETMAN.

Multimedia artist Timo Arnall has made a video of what the world looks like to a robot.

The Marine Corps wants Terminator vision for its grunts on the ground.

D.B. Grady has a great éxpose on the Special Collection Service, the super-high-tech U.S. spy agency that doesn't officially exist.

Are our minds ready for all this technological enhancement? Alan Watts doubted we can handle it.

But as the Washington Post points out, humans have evolved a psychological advantage that few other species have: middle age.