Everything that happened in a room is recorded in what you are standing on. Here are fifteen.
1. Board Width Dates the House Roughly
Very wide boards generally mean early…
The gas is dissolved, not bubbled, and it is all trying to leave. Here are fifteen.
1. There Are No Bubbles in a Sealed Bottle
The carbon dioxide is dissolved…
The intuitive model of a mosquito bite is that something sharp went into you and the hole is now irritated. Almost none of that is right. There is no single…
The ear is usually described as a funnel with a nerve at the end of it, which makes hearing sound like a straightforward matter of collecting sound and passing it…
Losing teeth as a child is so universal that nobody asks why it happens. Bones lengthen, muscles enlarge, feet go up several sizes, and none of that requires demolishing anything.…
The lift is the piece of machinery most people use most often without ever seeing any of it. What is visible is a box and two doors. What makes it…