Feature

Growth Hormone Makes Pollen Germinate Quickly

In Science Fields

Another Bright Planet

Anthropologist Sees Russians Becoming One Physical Type

News of Prehistoric America Reported to Mexico Meeting

Nature Ramblings: Roots by the Ton

Front Matter

Plan for Improving Population Drawn by Famed Geneticists

Only Radiation from Sunspots Causes Ionization of $text{F}_{2}$ Layer

“Spool” Spots Hydrochloric Gas in Huge Transformers

Navy’s Huge Test Basin Is Now Nearing Completion

Skull of Biggest Monster Arrives in America