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Will your idea fly with customers? Here's the best way to find out. Editor's note: This post is part of a series featuring excerpts from the recently published book, The Startup Owner's Manual , written by serial entrepreneurs-turned-educators Steve Blank and Bob Dorf.

A team of scientists working at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) has found that increasing the amount of lithium coating in the wall of an experimental fusion reactor greatly improves the ability of experimentalists to contain the hot, ionized gas known as plasma. Adding more lithium also enhances certain plasma properties aiding the reaction, the researchers found.

A new study finds that the prostate cancer blood test does more harm than good. Whit Johnson reports on the reaction¬s from doctors and their male patients.

What if your car knew what you were going to do before you did it? What if, say, the car slowed down by itself in an emergency in response to your reaction, even before you had a chance to hit the brakes