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A Folding Husband

More Old People; Fewer Children

Saturn Now in Southern Sky

Traces of Ancient Man Reported

The System of the World: A Classic of Science

Anatomy a Vital Science

Tree Rings Date Ancient Ruins

Radio to Bring Safety to Aviation

In Various Science Fields

Unknown Empire under American Flag

Parrot Fever Not Transmitted by Birds Confined to Zoos

Astronomers Acclaim New Planet

Science News-Letter | March 22, 1930 — The report from Flagstaff of the discovery of a faint, slow-moving object which can most reasonably be interpreted as a ninth major planet of the solar system again emphasizes man's ability to see beyond his power of vision and to grasp what lies beyond his reach.