Five hundred years ago in Wittenberg, Germany, an unusual scholar changed the course of human history using pen and hammer. Dr. Martin Luther protested...
What living thing grows taller than a 25-story building, survives raging wildfires, and actually depends on those fires to reproduce? Giant sequoias...
Imagine a machine that keeps working even when its parts change slightly or its surroundings shift. Most human-made machines would fail under that kind...