Part 1 of 9. Over the centuries, scientists speculated that we could tap into the body's electrical system to restore lost functions or enhance our powers, like machines.
Those stately galaxies we've long admired are not exactly what we thought. Bad Astronomer Phil Plait takes you into the violent world of galactic predators.
Part 9 of 9. We are beginning to shape a tomorrow in which robots will walk and work among us. As they realize their own potential, how long before they cast us aside?
Part 5 of 9. To build a humanoid that can function in our world is a bold challenge being taken up by isolated labs around the world. Researchers are infusing robots with abilities ranging from grasping to hearing and vision.
![Bad Astronomy: Hubble\](http://img.youtube.com/vi/ro-RBcqvGpg/2.jpg "Bad Astronomy: Hubble\")
