How Much Poison Can We Eat?

Telepathy? Mind-Reading

The Distance Flier Takes a Chance

But Highly Refined Devices Act To Reduce the Gambling Element

Stellar Atmospheres

More Water for the Panama Canal

A Sculptor Turns Anthropologist

A Woman Artist Circles the Globe to Fix Native Types in Imperishable Materials

The Amateur and his Microscope—V

Exploring Unknown Waters

Solar Tides

A Rapid-Fire Weapon to Fight Tuberculosis

There is no Sand in Sandpaper

And a New Process of Making This Important Product Regiments Its Grains, Point Outward, Electrostatically

The Problem of the Divining Rod

Mysteries of Movie Make-Up

Making An Actor Look Like Someone Else is an Art Requiring Skill, Time, and Patience

Farm Problems and the Machine