Feature

Possibility of More Energy from Uranium-235 Is Seen

Fly Reverses Role; Catches Spider in Web

Air-Raid Shelter in America Proposed to Guard Best Data

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