Feature

Relief Workers Unearth Bones Believed Mastodon’s

Costly Grinding of Mirrors for Telescopes Now Avoided

In Science Fields

“Brainstorm” Becomes Scientific

Earth Is between 1850 and 3500 Million Years Old

African Astronomer Discovers New Comet

Daily Seaplane Service to Europe Forecast by Sikorsky

23-Foot “Lightning Stone” Displayed at Chicago

Nature Ramblings: A Corridor for Corn

New Freight Ships Have Boilers on Deck

First Glances at New Books

Volume Information