Feature

Front Matter

Mice Threat “Down-under”

Advances in 1960 Cars

Books of the Week

Marjorie Van De Water Given Writer’s Award

Many Americans Suffer “Television Bottom”

[Photograph]: Ion Test

Nature Ramblings: Shark Bait!

Chromosome Linkage in Domestic Chickens

In Science Fields

Amateur Discovers Two New Comets

Mice Relay Heartbeats