Almost every popular depiction of a turtle gets this wrong in the same way, treating the shell as a portable house. The reality is stranger, because building a box out…
Mostly about air, not water. Here are fifteen.
1. The Bend Is Holding Water on Purpose
Every fixture has a trap, a dip in the pipe that retains water after…
One foot, one shell it cannot leave, and thousands of teeth. Here are fifteen.
1. It Moves by Sending a Wave Along One Foot
Bands of muscle contract in sequence…
The everyday language is wrong in a way that hides something interesting. People say hair turns grey, goes grey, is going grey, as though the strands on a head are…
The appendix is the standard example of a vestigial organ, wheeled out in every discussion of evolutionary leftovers alongside wisdom teeth and the tailbone. It is a worm-shaped tube a…
Thunder is usually described as the noise lightning makes, which suggests the bolt itself is loud in the way a bell or an engine is loud. It is not. Lightning…