Feature

Dust from Andean Eruptions Reducing Solar Radiation

Nerves and Sex Give Students Most Problems

Use of Sugar Regulated by Adrenal Gland Secretion

Insulin Crystals Studied with Long-Wave X-Rays

Only Mammoth Trunk Tip Ends Wanderings in Museum

Women Marrying Late Likely to Be Childless

Cretan “Church” Older than Christianity

In Science Fields

Great Men’s Brains Not Larger but Have Better Blood Supply

‘Hoppers Will Cause Much Damage in Western States

Python, Cold-Blooded, Becomes Warm at Times

The Air Brake: “A Classic Invention”