The startup Observable is trying to echo GitHub with a free tool and platform for creating, sharing, and tweaking data visualizations. Creating sophisticated data visualizations may not be for ...

If you were born on an isolated desert island in the middle of the ocean and had no communication with the outside world, your knowledge of geography would be limited. Peering through binoculars, ...

In the beginner’s guide to using Observable JavaScript, R, and Python with Quarto, I outlined how to use Observable within a Quarto file. However, one of my top tips for Quarto users learning ...

Assessing student learning effectively is often complicated by relying on ambiguous proxies such as grades, quiz scores, or assumptions about students' internal states, such as what they feel, think, ...

Using data from deep-space surveys taken by NASA's Hubble Space Telescope and other observatories, astronomers have performed a census of the number of galaxies in the universe. The team came to the ...

If you really want a headache (the good kind), take a long look at the “photo” below. It’s not a photo of the cosmic microwave background radiation, which you can actually see for yourself if you ...