Feature

Guess Car Speed Slower than It Actually Is

Wastebaskets Used as Miniature Ponds

Cockroaches Control Mating with Brains

Protects in Biological War

Dialdehyde Starch Aids Paper’s Wet Strength

Books of the Week

In Science Fields

[Photograph]: 15 Nuclear Tons

Nature Ramblings: The Muskrat

Light or Heavy Rainfalls Recur on the Same Dates

Atomic Rocket Cheaper

Particles Hit Pioneer V