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…
Picture a world map. North is at the top, south at the bottom, and it feels less like a convention than a fact — as settled as the ground being…
Every arrangement below is settled, uncontested and functioning perfectly well. What makes them remarkable is that the logic producing them was abandoned centuries ago and the lines were never tidied…
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…
Children ask why the sea is salty, and the standard answer — rivers carry salt into it and evaporation leaves the salt behind — is correct as far as it…
The Dead Sea Is Not a Sea, and Its Water Is So Dense With Salt That a Human Body Cannot Sink Into It
The Dead Sea produces one of the most recognisable travel photographs there is: a person lying on their back on the surface of the water, reading a newspaper, entirely unsupported.…