If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY?: Seventy-Five Solutions to the Fermi Paradox and the Problem of Extraterrestrial Life

by Stephen Webb

In 2002 Karl Schroeder, a Canadian SF writer, published a novel called Permanence which contains dozens of interesting scientific and philosophical speculations—including, as Milan Ćirković later emphasized, a possible solution to the Fermi paradox. Ćirković called it an “adaptationist” solution.

Adaptationist