Synthetic plastics have become an inexpensive substitute for such materials as wood, metal, and fiber.

With the aid of skin between their fore and rear paws, flying squirrels can leap from tree to tree.

Oral cultures, such as those of Polynesian people, have rich narrative histories and highly contrived tonal devices associated with recitals and chants.

Computer hardware and software have been enormously beneficial in the editing of newspapers, magazines, and journals.

Copyright law stipulates conditions for a collaboration of authors to reduce the possibility of legal contests.

Trees have to be pruned seasonally or annually to ensure that they continue to bear fruit.

Mosquitoes and other parasitic insects can be so bothersome to deer that entire herds have been known to throw themselves off cliffs to be rid of the incessant attacks.

Carbon monoxide expelled by exhaust systems may profoundly change the climate on the planet.

Experts often forecast an upswing in an economy after a protracted slowdown.