How moss chooses the perfect sidewalk crack to colonize
Not one sidewalk, but a pattern you can spot You see it in a lot of places, not just one famous street: along Seattle sidewalks after a long wet season.
The pig put on trial before a medieval French court
A pig in the dock It feels like a joke until you look at the paperwork.
How cicadas synchronize by listening to the ground
On warm nights when cicadas are out, the sound can tighten into a steady pulse, like the insects are keeping time together.