Feature

[Photograph]: For Science

New Method of Testing Large Telescope Mirrors

Coal Mine Waste Piles Yield Beautiful Fossil Leaves

“Magnetic” Mines Feasible, Say American Experts

Mystery Star’s Light Varies Because of Hidden Companion

In Science Fields

Census Stages Rehearsal

Pituitary Gland Failure Held to Be Cause of Sprue

Warns against Cleansing Skin with Agents That Irritate

Research Laboratories Announce Useful Finds

Use Flickering Beam to Probe Upper Atmosphere

Nature Ramblings: Versatile Rhus