Lie detectors have been called "worse than useless." So why are they still used?
An expert on aviation safety statistics says a new computer system to screen out terrorists may actually make things easier for them.
Rekindling the flame of community that Napster first lit will require a service that encourages its users to connect with one another and share their musical experiences.
New antibiotics that disrupt microbial communication could help cystic fibrosis patients.
DuPont uses DNA to sort carbon nanotubes by conductivity.
A treatment now under development may dramatically improve the lives of people suffering from this debilitating ailment.
Who would have anticipated that reality television would turn out to be the killer app of media convergence?
How 3-D ultrasound works.
Software based on rules, examples, or statistics seeks to erase language barriers. It's far from perfect, but sometimes close is good enough.
An international project to map genetic differences between population groups could be an invaluable resource for treating human disease. But will it perpetuate ethnic stereotypes?