Scientists discover tens of thousands of alternatives to the traditional Windsor knot.
Will there ever be a truly safe way to smoke?
They may be child's play, but some serious physics makes them bounce so well.
Robot taste testers are becoming part of the food industry.
Physicists are developing acoustical "phonons" for computers of the future.
Inspecting a bone from a salmon's ear can reveal where it has lived.
In whales -- and in humans -- older females seem to offer a special benefit to groups.
Traffic scientists study ants because they manage traffic better than humans.
Human tendency to seek patterns leads to misperception of randomness.
New Horizons spacecraft promises to reveal more about Pluto.