Feature

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Ancient Trade Routes Traced by Amber Finds

Tests for Color Blindness Should Be More Severe

81042

Germ Theory of Cancer Refuted

152849

Deaf Learn Movement of Speech by Touch

Czechoslovakia Unearths Rare Relics of Early Man

Colloidal Lead Joins X-Rays and Surgery to Relieve Cancer

Concrete Roads “Tire” Says Highway Expert

The Sphinx Has First Cleaning since 1886

Yellowstone Park Has New Hot Spring