Feature

Seafloor Spreading Ridges That Overlap

Crystals Worth Millions of Sneezes

New Weight-Height Chart: It’s OK to Weigh a Little More than Before

Shuttle and Ariane: The Hard Road to Orbit

Undersea Optical Fiber Cables Tested

Ten Talented Youths Win Science Awards

Computing a Competitive Advantage

Machine Tools: Symptom of America’s Waning Competitive Edge

Computers

Behavior

Analog ‘Apples’ and Digital ‘Oranges’

Happy Birthday, Joseph Priestley