There is a category of human variation that is essentially invisible, because it concerns something nobody can observe in anybody else and nobody has reason to compare.
Ask two people…
Most descriptions of the ocean concern its surface, which is understandable, since that is the part anybody sees.
The surface is a thin film on top of something much larger.…
There is an assumption that things used routinely are understood, and it does not hold in general.
A great many effective interventions were established empirically — somebody noticed that something…
The single structural problem is that visitors and residents eat in different places, at different times, from different menus - and everything below is a way of moving from the…
The useful frame is that bread is a foam with a solid structure. Something has to make the gas, something has to trap it, and something has to set around…
The single variable that explains most of what you see is how thick the lava was. Runny lava spreads out and builds gentle slopes; thick lava traps gas, moves barely…