The Geologists Pebble This is one of my favorite little stories. It's a true story, about the history of Earth and the way difference branches of science are connected.
Old Rays of Light Light travels at 186 thousand miles per second. That's fast, but it still takes time to get from there to here.
How Many Stars Can You See? Ever wonder how many stars you can see on a clear night? You could go out and count, but this short essay might save you some time.