Feature

[Photograph]: A Hat’s Ancestral Tree

Cod Liver Oil Now Used as Wound Dressing

Exposure to Germs Fails to Cause Colds in Volunteers

Our Cosmic Island Shaped like Ball, Not like Disk

[Photograph]: Disinterment of a Giant

With Electron Microscopes We May Observe the Unseen

Aviators Need Carbon Dioxide at High Altitudes

No Great Ape Was Your Ancestor

Lower Tuberculosis Deathrate for 1934

In Science Fields

Surgery May Save Human Race from Extinction

Right-Handed Rats Made “Southpaws” by Brain Lesions