Feature

Mining Made Easier with Shaped Charges

[Photograph]: Man from Mars?

Great Circle Route

Malaria from Transfusion

U. S. Makes Manganese

Automatic Phonograph Holds Records Upright

Judges Named for Science Writing Award

Streamlined Luxury Liners

Better Skin Ointments with Penicillin May Come

Giraffe Born at National Zoological Park

Preventing Mental Breaks

Meat “Floats through Air” in Dehydrating Process