50 Years Ago

Humans

From the February 12, 1938, issue

Radio tower reaches for the sky, making a canyon the hard way, and forecasting the next big drought.

Humans

From the February 5, 1938, issue

Tiny shells test lenses, the rules of radioactivity, and discovering new lunar terrain.

Humans

From the January 29, 1938, issue

A new telescope's home under construction, Eros makes a close pass, and history revealed in mosaic floors.

Humans

From the January 22, 1938, issue

Lightning striking again and again, estimating the age of the oceans, and dangerous, youthful drivers.

Humans

From the January 15, 1938, issue

Radio-assisted snowplows, getting to know the "X" particle, and ancient frozen mammoths found in Siberia.

Humans

From the January 8, 1938, issue

Social scientist named AAAS president, rarest of the rare found high in the air, and an unusual joint for a skull.

Humans

From the January 1, 1938, issue

Giant electric machines in the works, a mysterious new subatomic particle, and seeking the age of an isthmus.

Humans

From the December 18 & 25, 1937, issues

The infinite variety of snowflakes, making Java Man human, dinosaurs on the battlefield, Santa Claus in stone, filling empty space, and science progress in 1937.

Humans

From the December 11, 1937, issue

A sturdy new building for a mountaintop weather station, proving the authenticity of a treasure, and tracking cosmic rays underground.

Humans

From the December 4, 1937, issue

The perfect beauty of frost rime, the sun's surprising influence on earth, and digging up evidence of ancient domestic cats.

Humans

From the November 27, 1937, issue

A smashing new particle accelerator comes to the nation's capital, a new subatomic particle reveals its weight, and pollen in a Wisconsin bog tells of past climate change.

Humans

From the November 20, 1937, issue

An American Nobel laureate in physics, the need for research in the chemistry of petroleum, and a new way to send photographs by telegraph.