issue_89

Explore the hidden drama of planets, comets, and space geysers.

A solution to the measurement problem, black hole paradox, and other quantum puzzles.

How do we know that gender is not simply a biological fact? What makes it cultural, rather than analogous to sex-differentiated behavior in animals?

Why facial recognition has led to false arrests.

Black holes are cosmic dimmers.

We are well advised to not lose track of evolution’s dark side.