Feature

Scientists Honor Memory of Sir Isaac Newton

“Soft” X-Rays Kill Germs

Nebulae Stages in Evolution

Earthquake Not Unexpected

First Glances at New Books

Great God Gasoline

Skin Test for T. B.

To a Horse Shoe Crab

The Iceless Arctic

Iridium Hardest Metal

Fishes Eat More When Warm

More Fossil Footprints