Physicist Kristian Cvecek hangs out in the forest sometimes to take these beautiful pictures of firefly trails, using slow shutter speeds on his camera. Even better than the long exposure shot of a Roomba. [via]
Tracking firefly trails in the forest
Who is Older and Younger than You
Here’s a chart to show you how long you have until you start to feel your age.
10 Best Data Visualization Projects of 2017
It was a rough year, which brought about a lot of good work. Here are my favorite data visualization projects of the year.