Feature

Positive and Negative Electrons Apparently Produced in Pairs

New Inventions Make Possible More Accurate Time Keeping

Shrinking from Rare Disease, Sailor Gives Self for Science

New Silicon Carbide Brick for Electric Furnaces

[Photograph]: Dead

Moth Repellent Dye Being Sought for Clothes

Nature Ramblings: Few Mushrooms Are Poisonous

Blonde Girl Explorer Mystifies Natives of “Forbidden City”

Largest X-Ray Tube Begins to Battle against Cancer

Starlight to Help Open Century of Progress

New Centrifuge Microscope Permits Double Studies

Mt. Locke Selected for Second Largest Telescope