Researchers have cracked the secret of the internal, genetically encoded compass that millions of monarch butterflies use to determine the direction -- southwest -- they should fly each fall to reach ...

The compass—oldest known navigating instrument—has been revolutionized. Last week Bendix Aviation Corp. announced a new automatic compass that makes the old magnetic needle* look as obsolete as a ...

The invention of an improved ship’s compass, of the earth-inductor type, was announced by the U. S. Bureau of Standards. It is said to possess many advantages over the usual magnetic type of ship’s ...