Feature

Age of Uranium Deposits Clue to Their Location

Separate Purer Part ACTH

Needed: Improvement in American Civil Airports

Death Rays Kill Insects

Gov’t Bureaus Attack Bill

Shaking Dust Mop out Window Outmoded

Heart Uses Real Blood

Best Truth Serum Yet

In Science Fields

Mercury Visible at Twilight

Insect Vision Clue

Human Pregnancy Detected Earlier by New Test