The Metaphor Is the Wrong Way Round
Almost everybody carries the same mental picture of what a kidney does. Blood arrives dirty, passes through something like a coffee filter, and…
The Reflex That Will Not Take Instructions
A sneeze is one of a very small number of things the body does that a person can feel approaching, can do absolutely…
It Is the Remains of a Pipe, Not a Wound
The usual assumption is that a belly button is where a cord was cut and the resulting cut healed over.…
The intuitive picture is that an infection generates heat, the way a fire in a room raises the room's temperature. It does not work like that. The heat is produced…
Source: Wikipedia
The list of five senses is about two and a half thousand years old and it was never complete. The one left out is the one you are using…
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…