Feature

Spot Bright New Comet

Planetarium for Home Use

Insect Spreads Elm-Killer

UNESCO Plans Program for Occupied Germany

Prevent Pipe-Corrosion

Thundercloud Registers Highest Electrical Charge

[Photograph]: Trouble on the Take-off

In Science Fields

Laws of Matter Up-to-Date

Front Matter

Hopes Dim of KR as Cure

Penicillin Action Appears to Produce Electric Field