Feature

Saw Replaces Explosives in Coal Mining

Nature Ramblings: Too-Dominant Parents

New Spectra Are Explored by German

Prediction of Tidal Wave Forestalls Harbor Damage

First Glances at New Books

Front Matter

Live Mosquitoes Replaced by Glands in Paresis Treatment

Starlight to Help Open Century of Progress

Chloride Ink Test Promises Great Aid to Detectives

New Centrifuge Microscope Permits Double Studies

[Photograph]: Dead

New Pituitary Hormones Discovered and Predicted