Source :Wikipedia
Look at a river from the air and it does something that ought to require an explanation. Water flows downhill, downhill is a direction, and the shortest route down…
Bitterness is the only taste that is universally rejected at first and widely sought out later, which makes it the most interesting of the five and the hardest to use…
Sand seems like the least plausible thing to run short of. It is the archetype of abundance — the thing in the metaphor about counting grains, covering deserts and beaches…
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
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…