
Artificial Muscle
What is the mechanism of muscular contraction? A promising new approach to the problem involves reducing the tissue to its constituent molecules and, putting them together again

Artificial Muscle
What is the mechanism of muscular contraction? A promising new approach to the problem involves reducing the tissue to its constituent molecules and, putting them together again

The Origins of U.S. Scientists
What is the educational background of our doctors of natural science? A survey indicates that liberal arts colleges produce more of them per thousand graduates than large universities do

Titanium: A New Metal
Nearly as strong as steel but only half as heavy, it will soon join iron and aluminum, metallurgists believe, as one of the three most important metals