Feature

Bats Use Supershrill Cries to Pilot Themselves in Dark

Astronomer Suggests Search for Ghosts of Universe

Find Dinosaur Neck Bone Nearly Four Feet Long

Counter-Plan for Small Nations Urgent Need of Democracies

Can’t Trap Mosquitoes with Scents or Lights

In Science Fields

Good Health for 1941

[Photograph]: On Production Line

New England Earthquake Centered near North Conway

New England Quakes Forecast New Year Week

War a Mass Drunkenness for Escape from Life

[Photograph]: How Comet Looks