Feature

Interesting Delporte Object Keeps Astronomers Guessing

Steel-like Glass Permits Centrifuge Observations

In Science Fields

Ancient Sun-Hole Device Added to Famous Calendars

Shrunken Heads of Sloths Are Trophis of Expedition

Booklists of the A. A. A. S.

Heat Rays Take Picture of Ink-Spotted Flat-Iron

Nature Rambling: A Miner for Worms

[Photograph]: Saving Young Eyes

Men Attacked by New Brain Disease of Horses

German Scientist Confirms Existence of Neutrons

New Copper Isotope Revealed by Magneto-Optic Method