Michelangelo on Vision

“I am free. It’s a lot of effort to be free from the prison that is in your mind, and the key is in your pocket.” – Edith Eva Eger

The fabric of spacetime is four-dimensional, with three for space and only one for time. But wow, time sure is different from space!

National Geographic’s first James Webb Space Telescope book shows us the cosmos like never before.

In theory, dark matter is cold, collisionless, and only interacts via gravity. What we see in ultra-diffuse galaxies indicates otherwise.

From hunter-gathers to desk jockeys, we work best when short, intense sessions are followed by lighter fare.