All Stories

Front Matter

Front matter for the March 29, 1930, edition of Science News-Letter.

Paralysis Caused by Unknown Poison

Bright Comet Discovered

Key to Ancient Animal Mysteries

Wanted: Early Planet Photographs

With the discovery of the planet beyond Neptune, by Lowell Observatory astronomers, many months of observations will be needed before even an approximate idea can be obtained of the orbit in which it is moving.

Lower Costs and Higher Wages: A Classic Invention

In Various Science Fields

New Machine for Molding Cast Iron

Parrot Fever Work to Be Moved

Low Voltage Dangerous

Magnetic Hardening

Fencing