The single most useful thing to know is that heat and flavour are independent. A very hot chilli can taste of almost nothing, and a mild one can carry an…
The technical term for this is path dependence: an early decision constrains everything afterwards, not because it was right but because too much was built on top of it. Here…
Almost nothing in the animal world does what this does.
A great many animals signal. They warn, threaten, court and call, and the signal refers to the here and now…
Here is a question that has been asked for centuries and is still argued about on television panel shows: why does a mirror swap left and right but leave up…
Source: Wikipedia
Most ancient monuments survive because they are made of something durable. Stone lasts. Metal lasts. Fired clay lasts. Their survival requires nothing from anybody.
There is a category of…
Source: Wikipedia
Archaeology depends on context. An object in the ground is surrounded by information — what layer it sat in, what was beside it, how it was arranged, what the…