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White Civilization Kills New Guinea Savages

Monopoly on Tornadoes Held by America

Ocean Conference Plans Survey of Unknown Seas

Greeks Used Sloping Roof 3000 Years Ago

Contagious Health

Bad Weather Helps American Health

Scientist Transplants Beating Heart into New Body

Astronomical Mist Cleared by Mathematics

Radio Fans Will Engage in Long Conversation

Second Babies Younger If They Are Girls

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A Prehistoric Tree