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Seminar teaches strategies to expose liars

Frank Marsh, a former Marine Corps intelligence officer, explains how subtleties in speech and handwriting can expose someone who is lying.

Plextronics improves LEDs and solar cells

Plextronics is developing printable solar cells that will be able to coat any surface and organic LCDs that will improve modern LCD technology.

How Things Work: Pandora radio

Find out how Pandora Radio, a popular internet radio, intelligently chooses songs for listeners based on the type of music they want to hear.

Health Talk: Exploding head syndrome

Exploding head syndrome causes people to hear sudden, extremely loud noises, which are merely auditory hallucinations.

Sci/Tech briefs

Crashing a spacecraft onto the moon's surface proved the existence of water on the lunar surface, encouraging the possibility of moon colonies.

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