Almost nobody looks at a dark night sky and thinks it requires explanation. It is dark because the sun has set, which seems sufficient.
It is not sufficient, and noticing…
Nearly every effect below comes from one of three things: a curved surface that guides sound, a shape that focuses it, or a surface that refuses to reflect it at…
A compass needle points north. Almost everyone knows this and almost nobody knows what it means.
It does not point at the North Pole. The geographic North Pole is a…
Source: Wikipedia
Palaeolithic cave art is among the most extraordinary things humans have left behind, and it presents a problem that almost no other heritage site does: the act of looking…
Two variables define everything below: temperature, which determines whether the food is cooked or merely flavoured, and time, which determines how deep the effect goes. Here are fifteen.
1. Smoked…
Food naming is a poor historical record. Restaurants name dishes for regulars, stories improve with retelling, and the version that survives is usually the most quotable rather than the most…